In an economy, there is $200 million in currency held outside banks, $100 million in traveler's checks, $250 million in currency held inside the banks, $300 million in checking deposits, and $600 million in savings deposits

Which of the following will cause a decrease in aggregate demand?

A. Restrictive monetary policy. B. A decrease in the reserve requirement. C. Expansionary monetary policy. D. The purchase of bonds by the Fed.

A Nash equilibrium is defined as

A) earning zero economic profit in the long run. B) forming a cartel with strong penalties for cheaters. C) relying on other game players to realize the benefit of cooperation. D) each player taking the best possible action given the action of the other player. E) each player taking the action that is best for all the players.