In the above figure, the total consumer surplus at the efficient level of output is ________

The optimal Pigouvian tax is equal to the marginal social:

a. benefit of pollution at the market-determined level of pollution. b. cost of pollution at the market-determined level of pollution. c. benefit when there is zero pollution. d. cost of pollution at the socially optimal quantity of pollution.

According to Freidman and Schwartz, the most important structural change in the banking system to result from the 1933 panic:

a. were laws barring short calls on equities. b. was Federal insurance of bank deposits. c. was an unprecedented increase in regulation. d. was the loss of public confidence.