Changes in the buying power of the dollar are measured by

Group of answer choices

the unemployment rate

the money supply

the consumer price index

interest rates

Answer: the consumer price index

Explanation:

Hi, the consumer price index (CPI) is a measure of the average variation of price paid by consumers for a market basket of consumer goods and services.

The buying power of the dollar has a negative correlation with the CPI. If the CPI increases, the buying power of the dollar decreases.

So, the CPI can be used as a measure for the buying power of the dollar.