The branch of economics that focuses on economywide variables like inflation and unemployment is called:

The fraction of deposits that banks are required to keep is known as the

A) discount rate. B) required reserve ratio. C) deposit multiplier. D) money multiplier.

The Reagan administration's 1981 personal income tax changes were designed to: a. stimulate aggregate demand and reduce unemployment

b. stimulate aggregate demand and increase economic growth. c. stimulate aggregate supply and increase economic growth. d. decrease aggregate demand in order to reduce inflation. e. increase tax revenues to reduce the federal budget deficit.