Industrialized countries typically ________ their floating exchange rates. Developing countries often ________ their floating exchange rates

The primary source of shocks to potential output and long-run supply for real business cycle theorists is ________

A) changes in the money supply B) a change in the price of complements C) a change in any of the components of aggregate demand D) shocks to productivity

Tom is a castaway who washes up on a remote island. He can kill eight birds per hour or catch ten fish per day. The natives on the island can kill ten birds per day or catch twenty fish per day. Tom has a comparative advantage in: a. hunting birds

b. fishing. c. both hunting birds and fishing d. neither hunting birds or fishing.