In 1960, out-of-pocket spending on health care in the United States was

Monetarists argue that the Federal Reserve should allow the money supply to grow:

A. counter to the business cycles. B. faster than 10 percent annually. C. only during recessions. D. at a constant rate.

Which of the following is a barrier to entry?

A. Close substitutes B. Infrastructure costs C. Diminishing marginal returns D. Buyers' incomes