The aggregate demand curve shifts due to changes in consumption expenditures, investment expenditures government spending, and net exports

In the 1930s the United States charged an average tariff rate

A) that cut its exports to other countries by 50 percent. B) that exceeded 50 percent. C) that was less than its average tariff rate in 2007. D) that was less than 2 percent.

You want to invest in a firm whose profits show small fluctuations throughout the business cycle. Which of the following would you invest in?

A) A corporation that depends heavily on business fixed investment B) A corporation that depends heavily on residential investment C) A corporation that depends heavily on consumer nondurables D) A corporation that depends heavily on consumer durables