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| | Economics Homework, Mark | | Economics Homework, Mark |
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| | + | '''1.''' Utility |
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| − | '''1.''' Utility
| + | :Correct, but you might say TOTAL utility. |
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| | '''2.''' (a) Your consumer surplus is $1000. | | '''2.''' (a) Your consumer surplus is $1000. |
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| | (b) The consumer surplus is the total benefit which a buyer gets when buying a good. For example, if someone wanted a new laptop so badly that he was willing to pay $1800 for it, and he bought it for $1500, then his consumer surplus is $300. Consumer surplus = total benefit - total cost | | (b) The consumer surplus is the total benefit which a buyer gets when buying a good. For example, if someone wanted a new laptop so badly that he was willing to pay $1800 for it, and he bought it for $1500, then his consumer surplus is $300. Consumer surplus = total benefit - total cost |
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| | + | :Terrific answers, may use (b) as a model. |
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| | '''3.''' You can spend your time best by hiking for 3 hours, and then reading for 2 hours. The three hours of hiking give you a total utility of 23 units, and the 2 hours of reading give you a total utility of 11 units. twenty-three plus eleven is 34, so your total utility was 34. | | '''3.''' You can spend your time best by hiking for 3 hours, and then reading for 2 hours. The three hours of hiking give you a total utility of 23 units, and the 2 hours of reading give you a total utility of 11 units. twenty-three plus eleven is 34, so your total utility was 34. |
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| | + | :Almost right. Hike for '''2 hours''', then read, then hike. Total utility is right. (Minus 1). |
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| | '''4.''' In order to maximize my benefits from the purchase, I would tell the dealer that the car was used, and therefore not worth as much. The free market will drive the price down. | | '''4.''' In order to maximize my benefits from the purchase, I would tell the dealer that the car was used, and therefore not worth as much. The free market will drive the price down. |
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| | + | :Excellent. |
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| | '''5.''' If there are two goods that are perfect substitutes for each other, then you are equally happy with 1 of good X as you are with 1 of good Y. Because you are indifferent whether you have 1 of one good and 1 of another, you can subtract 1 of good X and add 1 of good Y and still be on the indifference curve. | | '''5.''' If there are two goods that are perfect substitutes for each other, then you are equally happy with 1 of good X as you are with 1 of good Y. Because you are indifferent whether you have 1 of one good and 1 of another, you can subtract 1 of good X and add 1 of good Y and still be on the indifference curve. |
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| | + | :Explained well. |
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| | '''6.''' The substitution effect happens when the price of a good increases, and people tend not to buy as much of it. They buy instead cheaper substitutes. | | '''6.''' The substitution effect happens when the price of a good increases, and people tend not to buy as much of it. They buy instead cheaper substitutes. |
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| | + | :Right, you might link to the Law of Demand. |
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| | '''7.''' The free market usually comes first, because to give money to charity you have to earn it somehow. | | '''7.''' The free market usually comes first, because to give money to charity you have to earn it somehow. |
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| | + | :Right. |
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| | + | :Excellent work. 69/70. Congratulations.--[[User:Aschlafly|Andy Schlafly]] 15:09, 11 October 2009 (EDT) |