Monetary policy involves: changes in government spending. changes in government tax receipts. changes in the quantity of money. changes in tax rates. Potential output is: the level of real GDP that exists when the economy experiences only cyclical unemployment. the level of real GDP that the economy would produce if all prices, including nominal wages, were fully flexible. the level of real GDP that exists when the actual rate of unemployment is zero. the level of real GDP that the economy would produce if all prices, including nominal wages, were sticky Currency is about of M1. 10% 46% 75% 100%