单项选择题

Which of the following statements concerning aggregate demand is most accurate（）

A. When price levels rise, real wealth increases, and individuals will spend more.
B. When price levels rise, real wealth decreases, and individuals will spend less.
C. When price levels fall, real wealth increases, and individuals will spend less.

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单项选择题

Which of the following most accurately describes the Monetarist school of macroeconomic thought in relation to aggregate demand and aggregate supply Monetarists believe that the money supply should be:（）

A. Increased during inflationary periods and reduced during recessionary periods.
B. Increased by a constant rate annually.
C. Reduced during inflationary periods and increased during recessionary periods.

单项选择题

The current annual inflation rate, as measured by using the Consumer Price Index (CPI), is best defined as:（）

A. increase in the CPI from a year ago.
B. percentage change in the CPI from its base period.
C. percentage change in the CPI from a year ago.