If the government imposes a binding price ceiling in a market, then the producer surplus in that market will increase

If the aggregate expenditure line has shifted downward, which of the following is the most likely cause?

a. There have been reports of good economic news. b. The Fed has conducted an open market sale of bonds. c. Income tax rates have been lowered. d. The Fed has conducted an open market purchase of bonds. e. Exports have increased.

Public goods can be

A. provided privately. B. provided publicly. C. subject to free rider problems. D. all of these answer options are correct.