Programs to equalize household income would most harm ______.

Free entry means that

a. the government pays any entry costs for individual firms. b. government-funded research lowers the costs of patents and other barriers to entry. c. a firm's marginal cost is zero. d. no legal barriers prevent a firm from entering an industry.

Health care expenditures coming directly out of consumers' pockets, primarily in the form of deductibles and copayments, account for what percent of U.S. health care spending?

A. 17 percent. B. 33 percent. C. 50 percent. D. 83 percent.