What is the total market supply, Qs, for luxury sports cars in the United States if the only three suppliers inverse supply functions are P = -10 + 5Qs1, P = 20 + 5Qs2, P = 5Qs3?

In the New Keynesian model, if there is a decrease in anticipated future total factor productivity, then

A) there should be no change in monetary or fiscal policy. B) the central bank's interest rate target should be increased. C) government spending should fall, and the central bank's interest rate target should rise. D) government spending should increase.

All of the following are deficit items in the balance of payments EXCEPT

A) purchases of foreign assets. B) imports of merchandise. C) foreign tourist expenditures. D) purchases of foreign currency.