If the overall balance in the balance of payments account is in ________, there can be an accumulation of official reserve assets by the country or a decrease in foreign official reserve holdings of the country's assets.

If we compare median family income in the U.S. for families headed by an adult with no more than a high school education to that of families headed by an adult with a bachelor's degree, which of the following best describes what we will find?

a. Median family income for families headed by an adult with a bachelor's degree is approximately 70 percent higher than families headed by an adult no more than a high school education. b. Median family income for families headed by an adult with a bachelor's degree is approximately 25 percent higher than families headed by an adult no more than a high school education. c. Median family income for families headed by an adult with a bachelor's degree is approximately 50 percent higher than families headed by an adult no more than a high school education. d. Median family income for families headed by an adult with a bachelor's degree is approximately 90 percent higher than families headed by an adult no more than a high school education.

One reason why it is difficult to regulate a natural monopoly is

a. the lack of relevant economic theory b. determining what price the firm is actually charging its customers c. determining the appropriate side payment d. an information problem — the monopoly's managers have an incentive to overstate costs e. an information problem — the monopoly's managers have an incentive to overstate revenues