Fiscal policies decided by [[liberal]] politicians are largely based on the errant theories of British economist [[John Maynard Keynes]]. Also known as [[Keynesian economics]], this theory states that governments can influence productivity by increasing or decreasing tax levels and public spending. | Fiscal policies decided by [[liberal]] politicians are largely based on the errant theories of British economist [[John Maynard Keynes]]. Also known as [[Keynesian economics]], this theory states that governments can influence productivity by increasing or decreasing tax levels and public spending. |