Which of the following has NOT been a driving factor behind recent calls for protectionist policies in the United States?

Show Answers

American companies relocating parts manufacturing to foreign countriesElevated earnings reported by U.S. businessesSlow advancement in productivity within the U.S.Elevated joblessness among the American workforceNone of the above

Explanation

Protectionist sentiments in the U.S. have largely stemmed from concerns such as outsourcing of component production, sluggish productivity growth, and high unemployment. However, high profit margins for U.S. corporations have not been a motivating factor for protectionism.