If a 15% increase in price for a good results in a 20% decrease in quantity demanded, the price elasticity of demand is

An increase in financial innovations such as increased network of ATM machines and the widespread acceptance of debit cards

A) will shift the demand for money to the right. B) will shift the demand for money to the left. C) increases the quantity of money people want to hold at each interest rate. D) decreases the quantity of money people want to hold at each interest rate.

The U.S. economy has had persistent inflation in recent decades. A possible explanation for the inflation is that

A. there have been decreases in aggregate demand while aggregate supply has remained unchanged. B. there have been increases in the growth rate while aggregate demand has remained unchanged. C. there have been decreases in the growth rate while aggregate demand has remained unchanged. D. growth in aggregate demand has been greater than growth in aggregate supply.