Consider the same market for nonalcoholic beer as in the previous question. Cudweiser's response function is

Price ceilings set below the equilibrium create:

a. externalities. b. unemployment. c. shortages. d. surpluses.

Which of these is an example of a contractionary fiscal policy?

a. A decrease in the sales tax rate b. An increase in unemployment insurance c. An increase in the excise tax rate d. A decrease in import duty