________ is a period of falling prices of goods and services in an economy

The difference between the nominal interest rate and the real interest rate is the

A) money growth rate minus the growth rate of real GDP. B) GDP growth rate. C) price level. D) inflation rate. E) unemployment rate.

If people's expectations about future income improve so they think their future income will be higher than previously believed, then the AD curve

A) will not shift, but potential GDP will increase. B) will shift leftward because people will spend less now. C) will shift rightward because people will increase spending now. D) and the AS curve will both shift leftward because people will increase their saving. E) will not change until income actually rises.