The above figure shows the marginal social benefit and marginal social cost curves of doughnuts in the nation of Kaffenia. What is the marginal social cost of producing the 200th dozen doughnuts each day?

Refer to Figure 7.1. Suppose the city passes an ordinance banning loud music, and this directly impacts Angus's legal ability to play his bagpipes. The equilibrium outcome of this game will be for Angus to ________ and for Dudley to ________

A) play the bagpipes; do nothing B) play the bagpipes; call the police C) mop floors; do nothing D) Both B and C are correct.

According to the theory of liquidity preference, an increase in the price level causes the

a. interest rate and investment to rise. b. interest rate and investment to fall. c. interest rate to rise and investment to fall. d. interest rate to fall and investment to rise.