18) Why might a company use barter rather than money to make a trade?
A.Barter trade is generally more efficient than money-based trade
B.Barter can enable two firms to trade when their cash flows are limited
C.Money requires a coincidence of wants, barter is more direct
D.Money is efficient only for large transactions, so barter is preferred for smaller
transactions
19) A company has designed an alarm clock that “runs and hides” after going off,
forcing the person to get up and find the alarm clock if he or she wants to shut off the
alarm. According to behavioral economists:
A.it is unlikely to alter people’s tendency to shut off the alarm and ultimately oversleep.
B.the alarm clock keeps people from hitting the snooze button and taking advantage of
the availability heuristic.
C.the alarm clock serves as a precommitment device, helping the user to stick to the
originally planned wake-up time.
D.overconfidence effects will discourage use of such devices.
20) The corporate decision on type and level of R&D activity is difficult because:
A.the interest-rate cost of funds is difficult to estimate.
B.much of corporate R&D is based on the pursuit of science, not on the profit motive.
C.expected returns lie in the future and are highly uncertain.
D.total returns and marginal returns greatly diverge.
21) Empirical studies suggest that the efficiency loss associated with the misallocation
of labor caused by the union wage advantage is:
A.$6 billion per year.
B.about 2 percent of domestic output.
C.less than one-half of 1 percent of domestic output.
D.about 4 percent of domestic output.
22) When the total product curve is falling, the:
A.Marginal product of labor is zero
B.Marginal product of labor is negative