If susan switches from going to speedy lube for an oil change to changing the oil in her car herself, then gdp

a. necessarily rises.
b. necessarily falls.
c. will be unaffected because the same service is produced in either case.
d. will be unaffected because car maintenance is not included in gdp.

Answer the questions about keynesian theory, market economics, and government policy. keynes believed that there were "sticky" wages and that recessions are caused by increases in prices. decreases in supply. decreases in aggregate demand (ad). increases in unemployment. keynes believed the government should increase ad through increased government spending, but not tax cuts. control wages to increase employment because of sticky wages. increase employment through tax cuts only. increase as through tax cuts. increase ad through either increased government spending or tax cuts. intervene when individual markets fail by controlling prices and production.