Difference between revisions of "Supply-side economics"

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'''Supply-side economics''' is a [[macroeconomics|macroeconomic]] concept developed in the 1970's as a counter to the dominant Keynesian macroeconomic theory during the years of [[stagflation]]. Before the early 1980's Keynesian views predominated. 
{{POV|date=February 2008}}
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'''Supply-side economics''' is a school of [[macroeconomic]] thought that argues that economic growth can be most effectively created using incentives for people to produce (supply) goods and services, such as adjusting [[income tax]] and [[capital gains tax]] rates. Supply-side economics is often conflated with [[trickle-down economics]], now a term given to right-leaning economists' views.<ref>{{cite news |first=Douglas |last=Martin |authorlink= |coauthors= |title=Jude Wanniski, 69, Journalist Who Coined the Term 'Supply-Side Economics,' Dies |url=http://www.nytimes.com/2005/08/31/business/31wanniski.html |work=[[New York Times]] |publisher= |date=2005-08-31 |accessdate= }}</ref> The term ''supply-side economics'' was coined by journalist [[Jude Wanniski]] in 1975, and popularized the ideas of economists [[Robert Mundell]] and [[Arthur Laffer]].
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The typical policy recommendation of supply-side economics is to achieve the proper level of marginal tax rates, which, by virtue of the high rate of taxes in general, equates with cutting of taxes.<ref>{{cite book |title=The Way the World Works: How Economies Fail—and Succeed |last=Wanniski |first=Jude |authorlink= |coauthors= |year=1978 |publisher=Basic Books |location=New York |isbn=0465090958 |pages= |url= }}</ref> Maximum benefits are achieved by optimizing the marginal tax rates of those with high-incomes and capital who are deemed as most likely to increase supply and thus spur growth.<ref name="Brownlee">{{cite book |chapter=Fiscal policy in the Reagan administration |title=The macroeconomics of fiscal policy |last=Brownlee |first=E. |authorlink= |editor=Kopcke, E.; Tootell, G. M. B.; Triest, R. K. |year=2006 |publisher=MIT Press |location=Cambridge, MA |isbn=0262112957 |pages=117–204 |url= }}</ref> Keynesian macroeconomics, by contrast, contends that tax cuts should be used to increase demand, not supply, and thus should be targeted at cash-strapped, lower-income households, who are more likely to spend additional income.<ref name="Blinder">{{cite book |chapter=Can fiscal policy improve macro-stabilization |title=The macroeconomics of fiscal policy |last=Blinder |first=A. S. |authorlink= |editor=Kopcke, E.; Tootell, G. M. B.; Triest, R. K. |year=2006 |publisher=MIT Press |location=Cambridge, MA |isbn=0262112957 |pages=23–62 |url= }}</ref><ref name="Blanchard">{{cite book |chapter=Comments of Blinder's "The case against the case against discretionary fiscal policy |title=The macroeconomics of fiscal policy |last=Blanchard |first=O. J. |authorlink= |editor=Kopcke, E.; Tootell, G. M. B.; Triest, R. K. |year=2006 |publisher=MIT Press |location=Cambridge, MA |isbn=0262112957 |pages=63–74 |url= }}</ref>
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Economist [[John Maynard Keynes]] believed that "demand creates supply" (see [[Law of supply and demand]]). This concept drove many of the ideas behind the recovery from the Great Depression. Government played a role in subsidizing individuals by giving them jobs and therefore an income to have to spend on goods. This "demand-side" theory posited that demand would create supply, and feedback to in turn create more demand.
  
Many early proponents argued that the size of the economic growth would be significant enough that the increased government revenue from a faster growing economy would be sufficient to completely compensate for the short-term costs of a tax cut, and that tax cuts could, in fact, cause overall revenue to increase.<ref>{{cite news |first=Bruce |last=Bartlett |authorlink= |coauthors= |title=How Supply-Side Economics Trickled Down |url=http://www.nytimes.com/2007/04/06/opinion/06bartlett.html |work=New York Times |publisher= |date=2007-04-06 |accessdate= }}</ref> Some assert this was borne out during the 1980s, when many supply-siders claim tax cuts ultimately led to an overall increase in governmental revenue due to stronger economic growth, although many economists doubt this claim.<ref name="Orzsag">{{cite web |url=http://www.brookings.edu/views/op-ed/gale/20030509.htm |author=Gale, W. G. & Orszag, P. R. |title=Bush’s Tax Plan Slashes Growth |date=2003-05-09 |publisher=The Brookings Institution |accessdate=2007-10-23 }}</ref><ref name="Chait">{{cite book |title=The Big Con: How Washington Got Hoodwinked and Hijacked by Crackpot Economics |last=Chait |first=J. |authorlink= |coauthors= |year=2007 |publisher=Houghton Mifflin |location=Boston |isbn=0618685405 |pages= |url= }}</ref> To date many economists do not see supply-side economics as a respectable school of thought, with [[Alan Blinder]] calling it an "ill-fated" and perhaps "silly" school on the pages of a 2006 textbook;<ref name="Blinder" /> Bush advisor [[Greg Mankiw]] offered similarly sharp criticism of the school in the early editions of his introductory economics textbook.<ref name="Bartels">Quote from Mankiw with source in {{cite book |title=Unequal democracy: The political-economy of the new gilded age |last=Bartels |first=L. M. |authorlink= |coauthors= |year=2008 |publisher=Princeton University Press |location=Princeton, NJ |isbn=9780691136639 |pages= |url= }}</ref> In a 1992 article for the [[Harvard International Review]] James Tobin wrote, "[The] idea that tax cuts would actually increase revenues turned out to deserve the ridicule…"<ref name="Tobin">{{cite journal |last=Tobin |first=J. |authorlink= |coauthors= |year=1992 |month= |title=Voodoo curse |journal=Harvard International Review |volume=14 |issue=4 |pages=10 |id= |url= |accessdate= |quote= }}</ref> But while few modern economists claim that tax cuts will completely pay for themselves, some empirical and theoretical research suggests that tax cuts do help to pay for themselves through increased economic growth, though the end result, even conservative economists contend, will be a significant reduction in revenues.<ref name="Brownlee" /> The Reagan administration was the first to implement supply-side policies and call them that. Some maintain that they failed to deliver the promised benefits.<ref name="Case & Fair">{{cite book |title=Principles of Economics |last=Case |first=K. E. |authorlink= |coauthors=Fair, R. C. |year=2007 |edition=8th edition |publisher=Prentice Hall |location=Upper Saddle Rive, NJ |isbn=0132289148 |pages= |url= }}</ref>
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Supply-side theory is based on Say's law, which, paraphrased, states that supply creates its own demand.  A simplified version of these ideas were taken up as a popular political movement during the 1980 election campaign, with [[Ronald Reagan]] proposing a modified policy of supply-side economics (although [[liberals]] disparagingly{{fact}} used the term "trickle-down" economics). <ref>[http://www.investopedia.com/articles/05/011805.asp Understanding Supply-Side Economics], David Harper </ref> The decreased regulation begun in the late 1970s, together with lower marginal tax rates would provide enough savings and investment to pool new capital and drive economic growth. Manufacturers for example, would hire more people, produce more, and create more demand and economic activity. The idea gained wide popular support, and became known as "Reaganomics".  
  
{{cquote|The extreme promises of supply-side economics did not materialize. President Reagan argued that because of the effect depicted in the [[Laffer curve]], the government could maintain expenditures, cut tax rates, ''and'' balance the budget. This was not the case. Government revenues fell sharply from levels that would have been realized without the tax cuts.<br>- Karl Case & Ray Fair, ''Principles of Economics'' (2007), p. 695.<ref name="Case & Fair"/>|}}
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Most criticism came from the Left, but some on the Right was skeptical as well.  [[George H.W. Bush]] during a campaign debate famously referred to it as "[[voodoo economics]]", due to the discarding of [[New Deal]] orthodoxy. On the Left, it was seen as threat to the [[welfare state]] with the loss of federal revenues in tax cuts that had funded the failed [[War on Poverty]] programs for more than a decade.
  
Supply side proponents Trabandt and Uhlig argue that "static scoring overestimates the revenue loss for labor and capital tax cuts",<ref name="autogenerated2">[http://sfb649.wiwi.hu-berlin.de/papers/pdf/SFB649DP2006-023.pdf Microsoft Word - SFB DP Frontpage.doc<!-- Bot generated title -->]</ref> and that instead "[[dynamic scoring]]" is a better predictor for the effects of tax cuts.
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One key aspect of the program in 1982 was tax cuts for Research and Development (R&D) in high technology firms intended to make United States more competitive with Japanese electronics manufacturers which had dominated the industry since the late 1960s.  Liberals were critical of the idea, claiming "tax cuts for business" only benefited "the rich"; however, the "trickle down effect" became a flood of prosperity in high tech industries by the mid to late 1990s.
  
== Historical origins ==
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Murray Rothbard wrote:
Supply-side economics developed during the 1970s in response to the [[Keynesian]] dominance of economic policy, and in particular the failure of [[demand management]] to [[stabilization policy|stabilize]] Western economies during the [[stagflation]] of the 1970s, in the wake of the [[1973 oil crisis|oil crisis in 1973]].<ref name="case_780">Case, Karl E. & Fair, Ray C. (1999). ''Principles of Economics'' (5th ed.), p. 780. Prentice-Hall. ISBN 0-13-961905-4.</ref>  It drew on a range of non-Keynesian economic thought, particularly [[Austrian economics|Austrian school]] thinking on entrepreneurship and [[New classical macroeconomics]].
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:Specifically, Reagan called for a massive cut in government spending, an even more drastic cut in taxation (particularly the income tax), a balanced budget by 1984 (that wild-spender, Jimmy Carter you see, had raised the budget deficit to $74 billion a year, and this had to be eliminated), and a return to the gold standard, where money is supplied by the market rather than by government. In addition to a call for free markets domestically, Reagan affirmed his deep commitment to free­dom of international trade. [http://www.mises.org/story/1544]
  
As in [[classical economics]], supply-side economics proposed that [[Economic production|production]] or [[supply]] is the key to economic prosperity and that [[Consumption (economics)|consumption]] or [[demand]] is merely a secondary consequence. Early on this idea had been summarized in [[Say's Law]] of economics, which states: "A product is no sooner created, than it, from that instant, affords a market for other products to the full extent of its own value." [[John Maynard Keynes]], the founder of [[Keynesian economics|Keynesianism]], summarized Say's Law as "supply creates its own demand." He turned Say's Law on its head in the 1930s by declaring that demand creates its own supply. <ref>Malabre, Jr., Alfred L. (1994).''Lost Prophets: An Insider's History of the Modern Economists'', p. 182. Harvard Business School Press. ISBN 0-87584-441-3.</ref>  However, Say's Law does not state that production creates a demand for the product itself, but rather a demand for "''other products to the full extent of its own value''." A better formulation of the law is that the supply of one good constitutes demand for one or more other goods.<ref>W. H. HUTT. A Rehabilitation of Say's Law OHIO UNIVERSITY PRESS: ATHENS. 1974</ref>
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==See also==
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*[[Laffer curve]]
  
In 1978 Jude Wanniski published ''The Way the World Works'' in which he laid out the central thesis of supply-side economics and detailed the failure of high tax-rate progressive income tax systems and U.S. monetary policy under Nixon in the 1970s. Wanniski advocated lower tax rates and a return to some kind of gold standard, similar to the 1944-1971 [[Bretton Woods System]] that Nixon abandoned.
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==References==
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<references/>
  
In 1983, economist Victor Canto, a disciple of [[Arthur Laffer]], published ''The Foundations of Supply-Side Economics''. This theory focuses on the effects of [[marginal tax rate]]s on the incentive to work and [[saving|save]], which affect the [[economic growth|growth]] of the "supply side" or what [[Keynesian]]s call [[potential output]]. While the latter focus on changes in the rate of supply-side growth in the long run, the "new" supply-siders often promised short-term results.
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==External Links==
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*[http://www.mises.org/story/1544 The Myths of Reaganomics], by Murray N. Rothbard
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*[http://72.14.209.104/search?q=cache:ZQm_5SG3WwQJ:www.davidsmick.com/WSJ070881.pdf+%22Reaganomics%22+includes+the+idea+of+tax+cuts&hl=en&ct=clnk&cd=7&gl=us&client=firefox-a What Reaganomics Is All About]
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*http://etext.library.adelaide.edu.au/k/keynes/john_maynard/k44g/
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*[http://www.independent.org/publications/tir/article.asp?issueID=15&articleID=89/ "My Time with Supply-Side Economics"], by Paul Craig Roberts
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*[http://www.independent.org/publications/tir/article.asp?issueID=20&articleID=231/ "What Really Happened in 1981"], by Alan Reynolds and Paul Craig Roberts
  
The supply-siders were influenced strongly by the idea of the [[Laffer curve]], which states that tax ''rates'' and tax ''revenues'' were distinct -- that tax rates too high or too low will not maximize tax revenues. Supply-siders felt that in a high tax rate environment, lowering taxes to the right level can raise revenue by causing faster [[economic growth]]. They pointed to the tax cuts of the Kennedy administration and the high rates of the Hoover and Nixon administrations in justification.{{Fact|date=January 2008}}<!--Confusing citation style, and not a reliable source: <ref>[http://www.presidentreagan.info/income_tax_revenues.cfm The President Reagan Information Page: Federal Income Tax Revenues.] Kottmann (1994-2005)</ref>-->
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[[Category:Economics]]
 
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This led the supply-siders to advocate large reductions in marginal income and capital gains tax rates to encourage allocation of assets to investment, which would produce more supply. [[Jude Wanniski]] and many others advocate a zero capital gains rate.<ref>{{cite web|url=http://www.asx.com.au/about/pdf/cgt.pdf|title=Capital gains tax: Analysis of reform options for Australia|publisher=[[Hudson Institute]]|author=Alan Reynolds|year=1999|month=July}}</ref>{{Failed verification|date=February 2008}}<!--Wanniski is not mentioned in this source--> The increased aggregate supply would result in increased aggregate demand, hence the term "Supply-Side Economics".
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Furthermore, in response to inflation, supply-siders called for indexed marginal income tax rates, as monetary inflation had pushed wage earners into higher marginal income tax brackets that remained static; that is, as wages increased to maintain purchasing power with prices, income tax brackets were not adjusted accordingly and thus wage earners were pushed into higher income tax brackets than tax policy had intended. <ref name="case_780"/>
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Supply-side economics has been criticized as essentially politically conservative.  Supply-side advocates claim that they are not following an ideology, but are reinstating classical economics.  Yet, supply-siders such as Jude Wanniski have argued for lower tax rates to increase tax revenues, and that redistribution of income through taxation was essential to the health of the polity -- a fact which is anathema to traditional conservatives.
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Some economists see similarities between supply-side proposals and Keynesian economics. If the result of changes to the tax structure is a [[fiscal deficit]] then the 'supply-side' policy is effectively stimulating demand through the Keynesian [[multiplier]] effect. Supply-side proponents would point out, in response, that the level of taxation and spending is important for economic incentives, not just the size of the deficit.
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The [[Reagan administration]] justified such changes in socioeconomic terms with the argument that "a rising tide lifts all boats". 
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===Marx and Smith===
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Both supply-siders and their opponents have been keen to claim the mantles of thinkers as diverse as [[Karl Marx]] and [[Adam Smith]]. Jude Wanniski has claimed both as supply-side thinkers due to their advocacy of a gold monetary standard and more specifically their focus on the agents of production in an economy. [[Barton Biggs]], chief investment strategist of [[Morgan Stanley]], described Wanniski's book about supply-side economics, ''The Way the World Works'', as the "most important" economic book published since Marx's writings. <ref>Malabre, Jr., p. 193.</ref>
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===Supply-side vs. Monetarism ===
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{{Unreferencedsection|date=May 2008}}
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Supply-side supporters disagreed with [[Chicago school (economics)|Chicago school]] [[monetarist]] [[Milton Friedman]] by arguing that cutting tax rates alone would be sufficient to grow [[Gross domestic product|GDP]], lift tax revenues and balance the budget.
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Friedman, however, retained a more conventional monetarist view, believing that while tax cuts were on the whole desirable, [[money supply]] was the crucial variable.
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== Fiscal policy theory ==
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Supply-side economics holds that increased taxation steadily reduces economic trade between economic participants within a nation and that it discourages investment. Taxes act as a type of trade barrier or [[tariff]] that causes economic participants to revert to less efficient means of satisfying their needs. As such higher taxation lead to lower levels of specialization and lower economic efficiency. The idea is said to be illustrated by the [[Laffer curve]]. (Case & Fair, 1999: 780, 781).
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Crucial to the operation of supply-side theory is the expansion of [[free trade]] and free movement of capital. It is argued that free capital movement, in addition to the classical reasoning of [[comparative advantage]], frequently allows an economic expansion. Lowering tax barriers to trade provides to the domestic economy all the advantages that the international economy gets from lower tariff barriers.
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Supply-side economists have less to say on the effects of deficits, and sometimes cite [[Robert Barro]]’s work that states that rational economic actors will buy bonds in sufficient quantities to reduce long term interest rates.[http://www.treas.gov/offices/economic-policy/round_table_documents/2004/reynolds.pdf] Critics argue that standard exchange rate theory would predict, instead, a devaluation of the currency of the nation running the high budget deficit, and eventual "[[crowding out (economics)|crowding out]]" of private investment.
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According to Mundell "Fiscal discipline is a learned behavior." To put it another way, eventually the unfavourable effects of running persistent budget deficits will force governments to reduce spending in line with their levels of revenue. This view is also promoted by Victor Canto.
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The central issue at stake is the point of diminishing returns on liquidity in the investment sector: Is there a point where additional money is "pushing on a string"? To the supply-side economist, reallocation away from consumption to private investment, and most especially from public investment to private investment, will always yield superior economic results. In standard monetarist and Keynesian theory, however, there will be a point where increases in asset prices will produce no new supply, that is where investment demand will outrun potential investment supply, and produce instead, [[assets inflation]], or in common terms a [[Bubble (economics)|bubble]]. The existence of this point, and where it is should it exist, is the essential question of the efficacy of supply-side economics.
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== Monetary policy theory ==
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{{Unreferencedsection|date=May 2008}}
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Some supply-siders advocate that monetary policy should be based on a price rule. The aim of monetary policy should be to target a specific value of [[money]] irrespective of the quantity of money that must be created or withdrawn by the [[central bank]] to achieve this target. This contrasts with monetarism's focus on the quantity of money, and Keynesian theory's emphasis on real aggregate demand. The important difference is that to a monetarist the quantity of money, specifically represented by the [[money supply]] is the crucial determining variable for the relationship between the supply and demand for money, while to a Keynesian adequate demand to support the available money supply is important. Keynes famously remarked that "money doesn't matter".
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This is an area where supply-side theory has been particularly influential. Under macroeconomic theory, the general level of price was based on the strict increase in price of a basket of goods. Under supply-side theory, the rate of inflation should be based on the substitutions that individuals make in the market place, and should take into account the improved quality of goods. In the late 1980s and through the 1990s, under Presidents of both American political parties, shifts were made in the calculation of the broadly followed measure of inflation the "Consumer Price Index for Urban Consumers", or [[Consumer price index|CPI-W]], which reflected supply-side ideas on substitution. The argument for factoring in goods quality was not accepted, which has led supply-side economists to claim that the real [[Consumer price index|CPI]] is actually between 0.5% and 1% lower than the stated rate.
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This area represents one of the points of contention between conservative economic theorists who argue for a quantity of money theory of inflation, including [[Austrian School|Austrian economics]], many strict gold standard economists and traditional monetarists, and supply-side theorists. According to the increases in money supply during the 1990s, the real rate of inflation must be higher than is currently stated. These economists argue that the cost of housing is understated in the CPI-W, and that the inflation rate should be between 0.5% and 1% higher. It is for this reason that many central bankers, investment analysts and economists follow the [[GDP deflator]] which measures the total output of the society and the prices paid for all goods, not merely consumer goods.
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Some supply-siders view [[gold]] as the best [[unit of account]] with which to measure the price of [[fiat money]], which is defined as a money supply not directly limited by specie or hard assets. Hence the purest supply-siders are in general advocates of a [[gold standard]]. However the reverse is not true; many gold standard advocates are harsh critics of supply-side economics.
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Supply-side economists assert that the value of money is purely dictated by the supply and demand for money. In fiat money system the government has a legislated [[monopoly]] on the supply of base money. Hence it has complete control over the value of money. Any decline in the value of money (or appreciation) is hence viewed as the result of errant [[central bank]] policy.
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== U.S. monetary and fiscal experience ==
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{{POV-section|date=December 2007}}
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Supply-side economists seek a cause and effect relationship between lowering marginal rates on capital formation and economic expansion. The supply-side history of economics since the 1960s hinges on the following key turning points:
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===The 1960s===
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===The 1970s===
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{{Unreferencedsection|date=May 2008}}
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In 1971, [[Richard Nixon]] ended the convertibility of the US dollar into gold, which meant the end of the [[Bretton Woods system]]. [[Commodity]] prices, including oil and gold particularly, which had been rising steadily in response to the dollar glut, spiked upwards. The supply-side explanation for this event is that taxation on investment had depleted the incentive to capital investment either in new sources of materials or in substitute goods, which when combined with eroding confidence in the [[United States Dollar|U.S. dollar]] cause it to be rapidly devalued. Many supply siders agree with gold investors in saying that the value of commodities remained constant and that it was the dollar that [[Devaluation|devalued]].
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At the same time the [[Mundell-Fleming model]] of currency flows gained greater credence when it was codified into a single set of equations, and became increasingly influential in [[neo-liberal]] economics. The argument for a floating currency regime had first been adopted by Friedman, but supply-side economists such as Wanniski typically argued that exchange rates should be fixed relative to gold. Mundell was the author of the influential view that it was [[Lyndon B. Johnson|Johnson]]'s budget deficits that were the cause of inflationary pressure. However, as [[Lester Thurow]] pointed out, the standard model of inflationary pressure shows that Johnson's peak year of deficits would have created only a small upward pressure, that instead it was persistent American trade deficits through the 1960s which had a greater effect on the imbalance between the value of the U.S. dollar and the [[gold]] to which it was, in theory, convertible.
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===Stagflation===
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{{Unreferencedsection|date=May 2008}}
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{{clear}}
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[[Image:NYSE opening bell.jpg|thumb|right|250px|The stock market lost half of its value between [[1972]] and [[1982]].]]
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Robert Mundell believes Nixon's failure to cut taxes in the early 1970s to be the cause of [[stagflation]], his argument being that the incentive for individuals to invest was reduced to below zero. Measuring the [[S&P 500]] in inflation-adjusted terms, the [[stock market]] lost half of its value between the market peak of 1972 and its bottom in 1982, with money seeking better returns in [[real estate]] and commodities instead. The argument from the supply-side point of view then goes on to state that the cuts in capital gains tax rates that were part of the 1981 tax package returned incentives to invest. The Keynesian point of view is that after a long bear market, money had fled from stocks and was set to return, once the expectation of inflation had been reduced. Neither of these two arguments fully accounts for the rise of equities over the course of the "long Bull Market" of 1982-2000.
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The importance of this argument needs to be seen in light of the effects of the inflation of the late 1970s, where credit became constricted, as interest rates rose rapidly, and the number of borrowers who could qualify for even standard mortgages fell. Inflation acted as a tax on wage increases, because the highly progressive income tax system of the time meant that more and more households suffered from "bracket creep" - in which a wage increase would be reduced in value by the increased taxes collected. The effects of inflation produced, in 1980, a strong political consensus for a change in basic policy.
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===Reaganomics===
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{{main|Reaganomics}}
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[[Ronald Reagan]] made supply-side economics a household phrase, and promised an across the board reduction in income tax rates and an even larger reduction in capital gains tax rates. (Case & Fair, 1999: 781, 782). When vying for the [[United States Republican Party|Republican party]] presidential nomination for the [[U.S. presidential election, 1980|1980 election]], [[George H.W. Bush]] derided Reagan's supply-side policies as "[[voodoo economics]]".  However, later he seemed to give lip service to these policies to secure the Republican nomination in 1988, and is speculated by some to have lost in his re-election bid in 1992 by allowing tax increases. (See: "[[Read my lips: No new taxes]].")
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The centerpiece of the supply-side argument is the economic rebound from the 1980-1982 double dip [[recession]], combined with the continued \fall in commodity prices. The "across the board" tax cuts of 1981 are seen as the great motivator for the "Seven Fat Years". Critics of this view point out that the "rebound" from the recession of 1981-1982 is exactly in accordance with the "disinflation" scenario predicted by [[IS/LM model]]s of the late 1970s: essentially that the increases in fed funds rates squeezed out inflation, and that federal budget deficits acted to "prime the pump". This model had been the basis of Volcker's federal reserve policy.
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In 1981, [[Robert Mundell]] told [[Ronald Reagan]] that by cutting upper bracket taxation rates and lowering tax rates on capital gains, national output would increase so much that tax revenues would also increase. Mundell claimed that the economic expansion would also mop up excess liquidity and bring inflation back under control. After the tax cuts were implemented, nominal revenues quickly returned to - and ultimately surpassed - previous levels. While revenues dropped as a share of GDP, supply-siders note they intended for this fall to happen, since cutting tax rates would preclude a rise in taxes collected relative to national income.
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The question of whether the tax cuts proved Mundell's predictions correct has sparked much debate between supply-siders and mainstream economists. While nominal revenues rebounded after the tax cuts, mainstream economists note that comparing nominal tax collections over time fails to take into account inflation. By converting tax revenues from nominal to real terms, these economists have shown that tax revenues did not surpass their 1981 levels until 1987.
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Defenders of supply-side economics also complain that the focus of the debate on government revenue tends to ignore the societal benefits of economic growth, primarily lower levels of unemployment, higher wages for workers and lower prices for consumers.  This is a rhetorical argument derisively known as [[trickle-down economics]], and should be viewed as distinct from the economic theory of supply-side economics.
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In the [[United States]], commentators frequently equate supply-side economics with [[Reaganomics]]. The fiscal policies of [[Ronald Reagan]] were largely based on supply-side economics. During Reagan's 1980 presidential campaign, the key economic concern was double digit [[inflation]], which Reagan described as "Too many dollars chasing too few goods", but rather than the usual dose of tight money, recession and layoffs, with their consequent loss of production and wealth, he promised a gradual and painless way to fight inflation by "producing our way out of it". <ref>Case & Fair, p. 781, 782.</ref> Switching from an earlier [[monetarist]] policy, [[Federal Reserve]] chair [[Paul Volcker]] began a policy of tighter monetary policies such as lower money supply growth to break the inflationary psychology and squeeze inflationary expectations out of the [[economic system]]. <ref>Malabre, Jr., pp. 170&ndash;171.</ref> Therefore, supply-side supporters argue, "Reaganomics" was only partially based on supply-side economics. However, under Reagan, Congress passed a plan that would slash taxes by $749 billion over five years. As a result, Jason Hymowitz cited Reagan &mdash; along with [[Jack Kemp]] &mdash; as a great advocate for supply-side economics in politics and repeatedly praised his leadership. <ref>Malabre, Jr., p. 188.</ref>
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Critics of "Reaganomics" claim it failed to produce much of the exaggerated gains some supply-siders had promised. Krugman later summarized the situation: "When Ronald Reagan was elected, the supply-siders got a chance to try out their ideas. Unfortunately, they failed." Although he credited supply-side economics for being more successful than [[monetarism]] which he claimed "left the economy in ruins", he stated that supply-side economics produced results which fell "so far short of what it promised," describing the supply-side theory as "free lunches". <ref>Malabre, Jr., p. 195.</ref> Krugman and other critics point to increased budget deficits during the Reagan administration as proof that the Laffer Curve is wrong.  Supply-side advocates claim that revenues increased, but that spending increased faster. However, they typically point to total revenues<ref>[http://www.cbo.gov/budget/data/historical.pdf Table 1, Historical budget data] - [[Congressional Budget Office]]</ref> even though it was only income taxes rates that were cut. <ref>[http://www.taxpolicycenter.org/newsevents/cite_simplification_simplified.cfm Tax simplification simplified] - [[Tax Policy Center]]</ref> That table also does not account for inflation. For example, of the increase from $600.6 billion in 1983 to $666.5 billion in 1984, $26 billion is due to inflation, $18.3 billion to corporate taxes and $21.4 billion to social insurance revenues (mostly [[Federal Insurance Contributions Act|FICA]] taxes). <ref> [http://www2.census.gov/prod2/statcomp/documents/1990-04.pdf Federal Government Finances and Employment 1990] - [[US Census Bureau]] </ref> Income tax revenues in [[constant dollars]] decreased by $2.77 billion in that year. Supply-siders cannot legitimately take credit for increased FICA tax revenue, because in 1983 FICA tax rates were increased from 6.7% to 7% and the ceiling was raised by $2,100. For the self employed, the FICA tax rate went from 9.35% to 14%. <ref> [http://www.ssa.gov/history/pdf/t2a3.pdf Annual maximum taxable earnings and contribution rates] - [[Social Security Administration]]</ref> The FICA tax rate increased throughout Reagan's term, jumping to 7.51% in 1988 and the ceiling was raised by 61% through Reagan's two terms. Those tax hikes on  wage earners, along with inflation, are the source of the revenue gains of the early 1980s.  But, despite much debate on if tax rate cuts increased revenues, the Reagan policies of the 1980s succeeded in a dramatic raise in economic growth in following the tax cuts, reversing the economic decline of the 1970s.<ref>[http://www.house.gov/jec/fiscal/tx-grwth/reagtxct/reagtxct.htm The Reagan Tax Cuts: Lessons for Tax Reform] - [[Joint Economic Committee]]</ref>
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It has been contended by some supply-side critics that the argument to lower taxes to increase revenues was a smokescreen for "starving" the government of revenues and who hoped that the tax cuts would lead to a commensurate drop in government spending. However, this did not turn out to be the case on the spending side; [[Paul Samuelson]] called this notion "the tape worm theory &mdash; the idea that the way to get rid of a tape worm is [to] stab your patient in the stomach". <ref>Malabre, Jr., pp. 197&ndash;198.</ref>  Supply-side advocates like Wanniski counter that social and fiscal conservatives who supported the supply-side prescription on tax policy for this reason were misguided and did not understand the Laffer Curve.<ref>[http://www.jonathanrauch.com/jrauch_articles/2006/05/stoking_the_bea.html Stoking the Beast] - [[Jonathan Rauch]]</ref>
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There is frequent confusion on the meaning of the term 'supply-side economics', between the related ideas of the existence of the Laffer Curve and the belief that decreasing tax rates can increase tax revenues.  But many supply-side economists doubt the latter claim, while still supporting the general policy of tax cuts.  Economist [[Gregory Mankiw]] used the term ''"fad economics"'' to describe the notion of tax rate cuts increasing revenue in the third edition of his '''Principles of Macroeconomics''' textbook in a section entitled "Charlatans and Cranks":
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{{cquote|An example of fad economics occurred in 1980, when a small group of economists advised Presidential candidate, Ronald Reagan, that an across-the-board cut in income tax rates would raise tax revenue. They argued that if people could keep a higher fraction of their income, people would work harder to earn more income. Even though tax rates would be lower, income would rise by so much, they claimed, that tax revenues would rise. Almost all professional economists, including most of those who supported Reagan's proposal to cut taxes, viewed this outcome as far too optimistic. Lower tax rates might encourage people to work harder and this extra effort would offset the direct effects of lower tax rates to some extent, but there was no credible evidence that work effort would rise by enough to cause tax revenues to rise in the face of lower tax rates. … People on fad diets put their health at risk but rarely achieve the permanent weight loss they desire. Similarly, when politicians rely on the advice of charlatans and cranks, they rarely get the desirable results they anticipate. After Reagan's election, Congress passed the cut in tax rates that Reagan advocated, but the tax cut did not cause tax revenues to rise.<ref>{{cite news |first=Noam |last=Scheiber |authorlink= |coauthors= |title=Can Greg Mankiw Survice Politics? |url=http://ksghome.harvard.edu/~jfrankel/TNR%20Online%20%20Mankiw%20Out%20of%20Depth.htm |work=The New Republic |publisher= |date=2004-04-08 |accessdate= }}</ref><ref>{{cite news |first=Stephen |last=Moore |authorlink= |coauthors= |title=Think Twice About Gregory Mankiw |url=http://www.nationalreview.com/moore/moore022803b.asp |work=National Review |publisher= |date=2003-02-28 |accessdate= }}</ref>}}
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===Criticism===
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[[Image:Laffer-Curve.svg|thumb|right|200px|The [[Laffer curve]], with "Tax Rate (%)" on the x-axis, and "Government Revenue" on the y-axis.]]
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Critics of supply-side economics point to the lack of academic economics credentials by movement leaders such as [[Jude Wanniski]]  and [[Robert Bartley]] to imply that the theories were bankrupt.<ref name="Chait" /> Mundell in his [[Nobel Prize]] lecture (awarded for unrelated work in [[optimum currency area]]) countered that the success of price stability was proof that the supply-side revolution had worked. The continuing debate over supply-side policies tends to focus on the massive federal and current account deficits, increased income inequality and its failure to promote growth.<ref name="Orzsag" />
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Many critics of supply-side economics are actually critics of politicians and pundits who misunderstand the Laffer curve, typically claiming that every tax cut will increase revenues.  For example, in 2006 Sebastian Mallaby of [[The Washington Post]] quoted [[George W. Bush]], [[Dick Cheney]], [[Bill Frist]], [[Chuck Grassley]], and [[Rick Santorum]] misstating the effect of the Bush Administration's tax cuts.<ref>{{cite news |first=Sebastian |last=Mallaby |authorlink= |coauthors= |title=The Return Of Voodoo Economics |url=http://www.washingtonpost.com/wp-dyn/content/article/2006/05/14/AR2006051400806.html |work=[[Washington Post]] |publisher= |date=2006-05-15 |accessdate= }}</ref>  On January 3, 2007, George W. Bush wrote an article claiming "It is also a fact that our tax cuts have fueled robust economic growth and record revenues."<ref>{{cite news |first=George W. |last=Bush |authorlink= |coauthors= |title=What the Congress Can Do for America |url=http://www.opinionjournal.com/editorial/feature.html?id=110009473 |work=Wall Street Journal |publisher= |date=2007-01-03 |accessdate= }}</ref>  [[Andrew Samwick]], who was Chief Economist on Bush's Council of Economic Advisers from 2003-2004 responded to the claim:
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<blockquote>You are smart people. You know that the tax cuts have not fueled record revenues. You know what it takes to establish causality. You know that the first order effect of cutting taxes is to lower tax revenues. We all agree that the ultimate reduction in tax revenues can be less than this first order effect, because lower tax rates encourage greater economic activity and thus expand the tax base. No thoughtful person believes that this possible offset more than compensated for the first effect for these tax cuts. Not a single one.<ref>{{cite web |url=http://voxbaby.blogspot.com/2007/01/new-years-plea.html |title=Vox Baby: A New Year's Plea |accessdate= |work= |publisher= |date= }}</ref></blockquote>
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The [[Congressional Budget Office]] (CBO) has estimated that extending the Bush tax cuts of 2001-2003 beyond their 2010 expiration would increase deficits by $1.8 trillion dollars over the following decade.<ref>[http://www.cbo.gov/ftpdocs/78xx/doc7878/03-21-PresidentsBudget.pdf Analysis of President's Budget Table 1-3 Page 6]</ref> The CBO also completed a study in 2005 analyzing a hypothetical 10% income tax cut and concluded that under various scenarios there would be minimal offsets to the loss of revenue. In other words, deficits would increase by nearly the same amount as the tax cut in the first five years, with limited feedback revenue thereafter.<ref>[http://www.cbo.gov/ftpdocs/69xx/doc6908/12-01-10PercentTaxCut.pdf CBO Study Grey Box Page 1]</ref>
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Some politicians and supply-side advocates may misunderstand the Laffer curve{{Fact|date=August 2007}}. They claim that every tax cut will increase revenues, when the curve clearly shows that only cutting tax rates to the right of the peak rate will increase revenues. Cutting tax rates to the left of the peak rate will decrease revenues. Since Reagan's income tax cuts in the 1980s did not increase receipts, the Laffer curve would suggest that further tax cuts will not increase revenues either, since the economy is apparently to the left of the peak. The Bush administration has been reporting record revenues, however those are, once again, coming from FICA taxes, not the income taxes which were cut.{{Fact|date=November 2007}} Between 2000 and 2004, income tax revenues fell from $1,004.5 billion to $809 billion, while FICA tax revenues increased from $652.9 billion to $733.4. Since 1997, the US Treasury has been reporting the combination of income tax and FICA tax revenues, so decreases in income tax revenues are hidden by increases in FICA tax revenues.<ref>{{cite web |url=http://fms.treas.gov/fr/backissues.html |title=Back Reports: Financial Report of the United States: Publication & Guidance: Financial Management Service |accessdate= |work= |publisher= |date= }}</ref>  Depending on the model and values of variables that are used, some have estimated the peak rate to be between 60-80% for labor tax and 50-60% for capital tax.<ref name="autogenerated2" />
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The paradigm of a tax system which rewards investment over consumption was accepted across the political spectrum, and no plan not rooted in supply-side economic theories has been advanced in the United States since 1982 (with the exception of the Clinton tax increases of 1993){{Dubious|date=March 2008}} which had any serious chance of passage into law. In 1986, a tax overhaul, described by [[Robert Mundell|Mundell]] as "the completion of the supply-side revolution" was drafted. It included increases in payroll taxes, decreases in top marginal rates, and increases in capital gains taxes. Combined with the mortgage interest deduction and the regressive effects of state taxation, it produces closer to a [[Flat tax|flat-tax]] effect. Proponents, such as [[Robert Mundell|Mundell]] and [[Arthur Laffer|Laffer]], point to the dramatic rise in the stock market as a sign that the tax overhaul was effective, although they note that the hike in [[capital gains]] may be more trouble than it was worth.
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Cutting marginal tax rates can also be perceived as primarily beneficial to the wealthy, which commentators such as [[Paul Krugman]] see as politically rather than economically motivated.<ref>{{cite news |first=Paul |last=Krugman |authorlink= |coauthors= |title=The Tax Cut Zombies |url=http://select.nytimes.com/2005/12/23/opinion/23krugman.html |work=New York Times |publisher= |date=2005-12-23 |accessdate= }}</ref>
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The economist [[John Kenneth Galbraith]] noted that supply side economics was not a new theory. He wrote, "Mr. [[David Stockman]] has said that supply-side economics was merely a cover for the trickle-down approach to economic policy&mdash;what an older and less elegant generation called the horse-and-sparrow theory: If you feed the horse enough oats, some will pass through to the road for the sparrows."<ref>{{cite news |first=John Kenneth |last=Galbraith |authorlink= |coauthors= |title=Recession Economics |url=http://www.nybooks.com/articles/6735 |work=[[New York Review of Books]] |publisher= |date=1982-02-04 |accessdate= }}</ref> Galbraith claimed that the horse and sparrow theory was partly to blame for the [[Panic of 1896]].
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===The 1990s===
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{{Unreferencedsection|date=May 2008}}
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Supply-siders blame the 1991 recession on the [[Federal Reserve]], and argue that [[Bill Clinton|Clinton]]'s tax increases, since they did not change marginal capital gains tax rates, left the supply-side nature of the 1986 tax bill in place. Similarly, supply-side economists have argued that since the early phases of the massive tax breaks of [[George W. Bush]]'s first two years were based on credits and not cuts in marginal rates, they did not act to stimulate the economy, although the effect on individual income remains the same.
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More generally, traditional economists point to the "overhang" of deficits from the Reagan era, the [[Savings and Loan crisis|S&L bailout]], the effects of a ballooning federal budget deficit, the defense budget cuts which began in earnest in 1989, and the expectation of a lack of continued fiscal discipline as the source of the recession. These arguments blame the legacy of [[Democratic Party (United States)|Democratic]] Deficits forced upon Reagan, rather than deficits created by Reagan's own administration. Critics of supply-side economics often argue the inflated government deficits that accompanied the arrival of supply-side economics are of greater concern than the economic and stock market success of supply-side theory.
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===A Trojan Horse===
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Other critiques of supply-side economics dismiss the entire project as a Trojan horse for reducing marginal tax rates on upper income brackets and ultimately a failure. These critiques are found in [[Samuel Bowles (economist)|Samuel Bowles]]' work, which argues that real productivity fell under supply-side taxation regimes on a unit-worker basis. Nobel laureate economist [[Paul Krugman]] of [[Princeton University|Princeton]] called supply-side economics "Peddling Prosperity" and dismissed it as being unworthy of serious economists in a 1994 book written for the general audience.[http://www.pkarchive.org/others/krugman3.html]
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[[David Stockman]], [[Ronald Reagan|Ronald Reagan's]] budget director, admitted that the [[Economic Recovery Tax Act of 1981|1981 tax cut]] was a Trojan horse:
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{{cquote|The hard part of the supply-side tax cut is dropping the top rate from 70 to 50 percent—the rest of it is a secondary matter.  The original argument was that the top bracket was too high, and that's having the most devastating effect on the economy.  Then, the general argument was that, in order to make this palatable as a political matter, you had to bring down all the brackets.  But, I mean, Kemp-Roth was always a Trojan horse to bring down the top rate.<ref>[http://www.theatlantic.com/doc/198112/david-stockman/5 The Education of David Stockman<!-- Bot generated title -->]</ref>}}
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=== Research since 2000 ===
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In 2003, the Wall Street Journal declared the debate over supply-side economics to have ended "with a whimper" after extensive modeling performed by the [[Congressional Budget Office]] failed to support the most extreme claims of supply-side policies. <ref>`Dynamic' Scoring Finally Ends Debate On Taxes, Revenue. By Alan Murray. Wall Street Journal. (Eastern edition). New York, N.Y.: Apr 1, 2003. pg. A.4 </ref> It was also suggested that [[Dan Crippen]] may have lost his chance at reappointment as head of the CBO for failing to support supply-side inspired [[dynamic scoring]].  This research undermines the claim that tax cuts can completely compensate for the initial loss of revenue due to the cut, but does acknowledge that resulting growth from the tax cut does replace some of the lost revenue, and the CBO has come under fire for using low estimates.
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+
Before President Bush signed the 2003 tax cuts, the Economic Policy Institute (EPI) released a statement signed by ten Nobel prize laureates entitled "Economists' Statement Opposing the Bush Tax Cuts," which states that:
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{{cquote|
+
Passing these tax cuts will worsen the long-term budget outlook, adding to the nation’s projected chronic deficits. This fiscal deterioration will reduce the capacity of the government to finance Social Security and Medicare benefits as well as investments in schools, health, infrastructure, and basic research. Moreover, the proposed tax cuts will generate further inequalities in after-tax income.<ref name="Economists Statement">[http://www.epi.org/content.cfm/econ_stmt_2003 Economists' statement opposing the Bush tax cuts (2003)<!-- Bot generated title -->]</ref>}}
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Nobel laureate economist [[Milton Friedman]] agreed the tax cuts would reduce tax revenues and result in intolerable deficits, though he supported them as means to restrain federal spending. <ref>http://opinionjournal.com/editorial/feature.html?id=110002933 "What Every American Wants" by Milton Friedman</ref>  Friedman characterized the reduced government tax revenue as "cutting their allowance". 
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Supporters of the Bush tax plan point out that the predictions of the EPI article differ from recent short-term trends. Specifically, the budget deficit shrank significantly during 2005, 2006, and 2007<ref>[http://www.nysun.com/article/58341 Incredible Shrinking Deficit - July 12, 2007 - The New York Sun<!-- Bot generated title -->]</ref> and the length of time before Social Security becomes insolvent has improved slightly, rather than worsening as EPI predicted.<ref>[http://meganmcardle.theatlantic.com/archives/2007/10/no_problem_here.php Megan McArdle (October 01, 2007) - No problem here (Fiscal Policy)<!-- Bot generated title -->]</ref>
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Later analysis of the Bush tax cuts by the [[Economic Policy Institute]] claims that the Bush tax cuts have failed to promote growth, as all macroeconomic growth indicators, save the housing market, were well below average for the 2001 to 2005 business cycle. These critics argue that the Bush tax cuts have done little more than deprive government of revenue, increase deficit and after-tax income inequality. <ref>[http://www.epinet.org/content.cfm/bp168 The boom that wasn't<!-- Bot generated title -->]</ref>  In the two years since that report, though, growth has remained strong, and newer numbers dispute the conclusions of the EPI report.  The Bush administration points to the long period of sustained growth, both in GDP and in overall job numbers, as well as increases in personal income and decreases in the government deficit. <ref>[http://www.whitehouse.gov/news/releases/2007/11/20071102.html Fact Sheet: October 2007 Marks Record 50th Consecutive Month of Job Growth<!-- Bot generated title -->]</ref>
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The results of the tax cuts in the U.S. in 2001 and 2003 are mixed.  While results show a temporary decline in tax receipts, they later recovered due to economic growth.  In this analysis, it is difficult to discern the reason for the decreases in tax revenue because 2001 was the same year that the [[dot-com bubble]] burst. Total Federal Revenues in FY2000 were $2,025 billion (in inflation adjusted dollars).  <ref name=histbudget> http://www.whitehouse.gov/omb/budget/fy2008/pdf/hist.pdf Historical Budget Tables, Budget of the United States Government, Fiscal Year 2008(page 26)</ref>  In 2001, President George W. Bush signed the [[Economic Growth and Tax Relief Reconciliation Act of 2001]].  Rather than wait for the start of the new fiscal year, income tax rate reductions started on July 1, 2001.  In addition, rebate checks were sent to everyone that filed a 2000 income tax return (before Oct 1, the start of the new federal fiscal year). <ref>[http://www.fairmark.com/news/egtrra/overview.htm Overview of the Tax Cut<!-- Bot generated title -->]</ref>  Federal revenues in FY2001 were $1,946 billion, $79 billion lower than in FY2000.  More of the 2001 tax cut took effect at the start of FY2002, including cuts in the estate tax, retirement and educational savings. <ref>http://www.fairmark.com/news/egtrra/index.htm The 2001 Tax Cut</ref>  Federal revenues in FY2002 were $1,777 billion, $247 billion lower than in FY2000.
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In 2003, President Bush signed the [[Jobs and Growth Tax Relief Reconciliation Act of 2003]].  Income tax rates were immediately reduced and rebate checks issued (without waiting for the new fiscal year).  <ref>http://usgovinfo.about.com/cs/taxes/a/bushtaxcuts.htm Details of the Bush 2003 Tax Cut Plan</ref> Federal revenues in FY2003 were $1,665 billion, $360 billion lower than in FY2000.  Federal revenues in FY2004 were 1,707 billion, $318 billion lower than in FY2000.  Federal revenues in FY2005 were $1,888, $137 billion lower than in FY2000, but by 2006 revenue had completely recovered (in inflation adjusted dollars), with receipts at $2,037 Billion, $12 billion higher than 2000.  The cumulative total of federal revenues less than in FY2000 for the fiscal years 2001-2005 was $1.142 trillion, with that amount expected to be recovered by 2011, with 2012 expected to produce an additional $400 billion in excess revenue over 2000.
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Federal revenues include revenue from different taxes that were cut, stayed the same, or were raised. For example, the [[Social Security (United States)|Social Security FICA]] tax rate stayed the same while the maximum income subject to the tax was increased each year, resulting in a tax increase for those earning more than the previous limit.<ref>[http://www.ssa.gov/OACT/COLA/cbb.html Contribution and Benefit Base<!-- Bot generated title -->]</ref> Social Security tax revenues increased each and every year.  Including increasing tax revenues from taxes that stayed the same or were increased hides the magnitude of the revenue decrease in taxes that were cut. Income tax rates were cut and income tax revenues were lower than the FY2000 level each and every fiscal year from 2001-2005, a cumulative revenue decrease of $640 billion (measured in nominal dollars).  But, by 2006 revenues exceeded the 2000 level.  Likewise Corporate income tax rates were cut and revenues were lower than the FY2000 level each and every fiscal year from 2001-2004.  But, by 2005 the inflation adjusted take exceeded that of 2000 by over 20%, and by 2006 nearly 50% higher.
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In 2006, the CBO released a study titled "A Dynamic Analysis of Permanent Extension of the President's Tax Relief." <ref>[http://www.ustreas.gov/press/releases/reports/treasurydynamicanalysisreporjjuly252006.pdf Microsoft Word - treasury dyn anal report jul 24 10am II FINAL.doc<!-- Bot generated title -->]</ref>  This study found that under the best possible scenario, making tax cuts permanent would increase the economy "over the long run" by 0.7%.  Since the "long run" is not defined, some commentators<ref name="autogenerated1">[http://www.cbpp.org/7-27-06tax.htm Treasury Dynamic Scoring Analysis Refutes Claims by Supporters of the Tax Cuts, revised 8/24/06<!-- Bot generated title -->]</ref> have suggested that 20 years should be used, making the annual best case GDP growth equal to 0.04%.  When compared with the cost of the tax cuts, the best case growth scenario is still not sufficient to pay for the tax cuts.  Previous official CBO estimates had identified the tax cuts as costing the equivalent of 1.4% of the GDP in revenue.  According to the study, if the best case growth scenario is applied, the tax cuts would still cost the equivalent of 1.27% of the GDP.<ref name="autogenerated1" />
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This study was criticized by many economists, including Harvard Economics Professor Greg Mankiw, who pointed out that the CBO used a very low value for the earnings-weighted compensated labor supply elasticity of 0.14.<ref>[http://gregmankiw.blogspot.com/2007/04/cbo-on-supply-side-economics.html Greg Mankiw's Blog: CBO on Supply-side Economics<!-- Bot generated title -->]</ref>  In a paper published in the Journal of Public Economics, Mankiw and Matthew Weinzierl noted that the current economics research would place an appropriate value for labor supply elasticity at around 0.5<ref>[http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V76-4J8K5VF-1&_user=10&_handle=V-WA-A-W-WY-MsSAYVW-UUA-U-AACUWDBCVW-AAVDYCVBVW-YZECAWVWD-WY-U&_fmt=summary&_coverDate=02%2F15%2F2006&_rdoc=13&_orig=browse&_srch=%23toc%235834%239999%23999999999%2399999!&_cdi=5834&amp;amp;view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=8391d808449a05b05f1090799867f334]</ref>,
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although Dr. Mankiw notes, "unfortunately, the academic literature on this topic is far from conclusive."
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A recent working paper sponsored by the [[International Monetary Fund|IMF]] showed "that the Laffer curve can arise even with very small changes in labor supply effects" but that "labor supply changes do not cause the Laffer effect."<ref name = "PappTakats">{{cite journal|author=Papp, TK and Takáts, E|title=Tax rate cuts and tax compliance &mdash; the Laffer curve revisited|url=http://www.imf.org/external/pubs/ft/wp/2008/wp0807.pdf|publisher=IMF Working Paper}}</ref>  This is contrary to the supply-side explanation of the Laffer curve, in which the increases in tax revenue are held to be the result of an increase in labor supply.<ref>See p. 5: "Contradicting the traditional labor supply based explanation of the Laffer effect, measures of labor supply remained mostly unchanged."</ref>  Instead their proposed mechanism for the Laffer effect was that "tax rate cuts can increase revenues by improving tax compliance."  The study examined in particular the case of Russia which has comparatively high rates of tax evasion.  In that case, their tax compliance model did yield significant revenue increases:
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{{cquote|To illustrate the potential effects of tax rate cuts on tax revenues consider the example of Russia. Russia introduced a flat 13 percent personal income tax rate, replacing the three tiered, 12, 20 and 30 percent previous rates (as detailed in Ivanova, Keen and Klemm, 2005). The tax exempt income was also increased, further decreasing the tax burden. Considering social tax reforms enacted at the same time, tax rates were cut substantially for most taxpayers. However, personal income tax (PIT) revenues have increased significantly: 46 percent in nominal and 26 percent real terms during the next year. Even more interesting PIT revenues have increased from 2.4 percent to 2.9 percent of GDP—a more than 20 percent increase relative to GDP. PIT revenues continued to increase to 3.3 percent during the next year, representing a further 14 percent gain relative to GDP.<ref name = "PappTakats"/>}}
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== Supply-side economics in popular culture ==
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Supply-side economics have been discussed and critiqued in books, songs and films. The social activist and cartoonist [[Dan Perkins]] (who writes under the pen name [[Tom Tomorrow]]) has repeatedly criticized the theory in his weekly cartoon, [[This Modern World]].
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The band [[Radiohead]] have alluded to their opposition to such policies in the song "[[Electioneering (song)|Electioneering]]". http://www.greenplastic.com/lyrics/electioneering.php
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It was also mentioned by [[Ben Stein]] in the popular 1986 movie ''[[Ferris Bueller's Day Off]]''.
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Comedian and author [[Al Franken]] lampoons Supply Side Economics in his 2004 book "''[[Lies and the Lying Liars Who Tell Them|Lies and the Lying Liars Who Tell Them - A Fair and Balanced Look at the Right]]''," in a comic book style chapter illustrated by [[Don Simpson (cartoonist)|Don Simpson]] entitled ''The Gospel of Supply Side Jesus''.
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== See also ==
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* [[Gold standard]]
+
* [[Mellonomics]]
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* [[Monetarism]]
+
* [[Progressive tax]]
+
* [[Regressive tax]]
+
* [[Reaganomics]]
+
* [[List of supply-side economists]]
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+
==Notes and references==
+
{{citation-style}}
+
{{reflist|2}}
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+
==Further reading==
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*{{cite book |title=The Truth About Supply Side Economics |last=Evans |first=Michael K. |authorlink= |coauthors= |year=1983 |publisher=Basic Books |location=New York |isbn=0465087787 |pages= |url= }}
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*{{cite book |title=Wealth and Poverty |last=Gilder |first=George |authorlink=George Gilder |coauthors= |year=1993 |publisher=ICS Press |location=San Francisco |isbn=1558152407 |pages= |url= }}
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*{{cite book |title=Peddling Prosperity: Economic Sense and Nonsense in the Age of Diminished Expectations |last=Krugman |first=Paul |authorlink=Paul Krugman |coauthors= |year=1995 |publisher=W. W. Norton |location=New York |isbn=0393312925 |pages= |url= }}
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*{{cite book |title=The Economics of Demand-Led Growth: Challenging the Supply-Side Vision of the Long Run |last=Setterfield |first=Mark |authorlink= |coauthors= |year=2002 |publisher=E. Elgar |location=Northampton, MA |isbn=1840641770 |pages= |url= }}
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*{{cite book |title=The Way the World Works: How Economies Fail—and Succeed |last=Wanniski |first=Jude |authorlink= |coauthors= |year=1978 |publisher=Basic Books |location=New York |isbn=0465090958 |pages= |url= }}
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==External links==
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*[http://www.globalpolitician.com/articleshow.asp?ID=700&cid=1&sid=45 American Economic Policy from 1920's to 1990's - From "Everyone is a Keynesian" to "Everyone is a Supply Sider"]
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* {{cite web | last = Bartlett | first = Bruce | authorlink = Bruce Bartlett | title = How Supply-Side Economics Trickled Down | work = The New York Times | date = April 6, 2007 | url = http://www.nytimes.com/2007/04/06/opinion/06bartlett.html | accessdate = 2008-02-26}}
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* {{cite web | last = Gwartney | first = James D. | title = Supply-Side Economics | work = The Concise Encyclopedia of Economics | publisher = The Liberty Fund | date = 2002 | url = http://www.econlib.org/library/Enc/SupplySideEconomics.html | accessdate = 2008-02-26}}
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=== Supply Side Proponents ===
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* [http://logicizer.townhall.com/g/c5ecb3cf-2712-4f5a-ad89-7ae03da99280 The Logic of the Laffer Curve]
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*http://www.robertmundell.net/NobelLecture/nobel5.asp Portion of Mundell's Nobel Prize Lecture (awarded for unrelated work in [[optimum currency area]]) claiming that Supply Side Economics was responsible for growth, price stability and the collapse of the Soviet Union.
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*[http://yorktownuniversity.com/grad_libraries_supply_side.cfm]Supply Side Library.  A collection of essays and studies by Robert Mundell, Paul Craig Roberts, Stephen Entin and [[Alan Reynolds]].
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*[http://www.wanniski.com/showarticle.asp?articleid=2803 SSU Summer Session Lesson #8 A Supply-Side History from wanniski.com]
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*http://www.washtimes.com/commentary/20031108-111533-9600r.htm
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*http://www.polyconomics.com/searchbase/12-15-00.html
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*http://www.ashbrook.org/events/lecture/2002/reynolds.html
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=== Supply Side Critiques ===
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* [http://logicizer.townhall.com/g/f48d2bf3-1c51-4592-aa46-191f089d752f Have the Bush Tax Cuts Generated Higher Revenues? Views of Economists]
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*http://www.csub.edu/ssric-trd/modules/macr/macrch4.htm
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*http://www.gold-eagle.com/gold_digest_02/shostak062802.html
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*http://www.huppi.com/kangaroo/1THE_REAGAN_YEARs.htm#reaganpage
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*[http://www.kuro5hin.org/story/2004/1/22/164856/449 Supply-side Economics Explained for k5ers]
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* {{cite web | last = Goolsbee | first = Austan | authorlink = Austan Goolsbee | title = Is the New Supply Side Better Than the Old? | work = The New York Times | date = January 20, 2008 | url = http://www.nytimes.com/2008/01/20/business/20view.html?ex=1358485200&en=44cac96fd9342557&ei=5090&partner=rssuserland&emc=rss&pagewanted=all | accessdate = 2008-02-26}}
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*{{cite web | title = Take a Walk on the Supply Side: Tax Cuts on Profits, Savings, and the Wealthy Fail to Spur Economic Growth. | publisher = The Center for American Progress | date = September 2008 | url = http://www.americanprogress.org/issues/2008/09/supply_side.html}}
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[[Category:Macroeconomics]]
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[[Category:Economic theories]]
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[[Category:Taxation]]
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[[bg:Икономика на предлагането]]
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[[cs:Ekonomie strany nabídky]]
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[[de:Angebotspolitik]]
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[[fr:Économie de l'offre]]
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[[it:Supply-side economics]]
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[[nl:Aanbodeconomie]]
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[[ja:サプライサイド経済学]]
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[[pl:Ekonomia podaży]]
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[[sk:Ekonómia strany ponuky]]
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[[fi:Tuotantopuolen taloustiede]]
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[[sv:Utbudsekonomi]]
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[[vi:Kinh tế học trọng cung]]
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Revision as of 07:39, 9 November 2008

Supply-side economics is a macroeconomic concept developed in the 1970's as a counter to the dominant Keynesian macroeconomic theory during the years of stagflation. Before the early 1980's Keynesian views predominated.

Economist John Maynard Keynes believed that "demand creates supply" (see Law of supply and demand). This concept drove many of the ideas behind the recovery from the Great Depression. Government played a role in subsidizing individuals by giving them jobs and therefore an income to have to spend on goods. This "demand-side" theory posited that demand would create supply, and feedback to in turn create more demand.

Supply-side theory is based on Say's law, which, paraphrased, states that supply creates its own demand. A simplified version of these ideas were taken up as a popular political movement during the 1980 election campaign, with Ronald Reagan proposing a modified policy of supply-side economics (although liberals disparagingly[Citation Needed] used the term "trickle-down" economics). [1] The decreased regulation begun in the late 1970s, together with lower marginal tax rates would provide enough savings and investment to pool new capital and drive economic growth. Manufacturers for example, would hire more people, produce more, and create more demand and economic activity. The idea gained wide popular support, and became known as "Reaganomics".

Most criticism came from the Left, but some on the Right was skeptical as well. George H.W. Bush during a campaign debate famously referred to it as "voodoo economics", due to the discarding of New Deal orthodoxy. On the Left, it was seen as threat to the welfare state with the loss of federal revenues in tax cuts that had funded the failed War on Poverty programs for more than a decade.

One key aspect of the program in 1982 was tax cuts for Research and Development (R&D) in high technology firms intended to make United States more competitive with Japanese electronics manufacturers which had dominated the industry since the late 1960s. Liberals were critical of the idea, claiming "tax cuts for business" only benefited "the rich"; however, the "trickle down effect" became a flood of prosperity in high tech industries by the mid to late 1990s.

Murray Rothbard wrote:

Specifically, Reagan called for a massive cut in government spending, an even more drastic cut in taxation (particularly the income tax), a balanced budget by 1984 (that wild-spender, Jimmy Carter you see, had raised the budget deficit to $74 billion a year, and this had to be eliminated), and a return to the gold standard, where money is supplied by the market rather than by government. In addition to a call for free markets domestically, Reagan affirmed his deep commitment to free­dom of international trade. [1]

See also

References

  1. Understanding Supply-Side Economics, David Harper

External Links