In the U.S. economy, the money supply is controlled by the:

Gradual adjustment of prices and wages to an increase in the aggregate demand curve implies that the aggregate supply curve is:

a. horizontal. b. vertical. c. upward sloping but not vertical. d. downward sloping.

If the market power of a labor union enables it to offset the market power of an oligopolistic firm, this is called

a. monopolistic competition b. cartel pricing c. price discrimination d. contestable markets e. countervailing power