An article in the Economist notes that about 10 percent of people in the United States work in health care and that "these workers have the crucial job of making American health care more efficient, probably the country's top domestic challenge."
a. How might we measure the efficiency of a country's health care sector? Is there evidence that the U.S. health care sector is more or less efficient than the health care sectors in other countries? Briefly explain.
b. If the efficiency of the U.S. health care sector improves, will it be likely to employ more workers or fewer workers than if its efficiency does not improve? Briefly explain.