Since 1972, the world price of oil has been largely determined by OPEC, which
controls about 75 percent of the world’s proven oil reserves. Since 1972 the price of oil
has
A) fluctuated. OPEC’s situation is an example of a prisoner’s dilemma.
B) risen slowly, but steadily. Members of OPEC fear that if they raise the price of oil
too quickly this will lead oil-buying nations to accuse OPEC of price gouging, which is
illegal under international law.
C) steadily fallen through the 1970s, then risen continually in the years since then.
OPEC’s actions are an example of implicit collusion.
D) been tied by OPEC to the rate of inflation in the United States. If, for example, the
rate of inflation is 5 percent in one year, OPEC will raise the price of oil by 5 percent
the next year.
Academic book publishers hire editors, designers, and production and marketing
managers who help prepare books for publication. Because these employees work on
several books simultaneously, the number of people the company hires will not go up
and down with the quantity of books the company publishes during any particular year.
The salaries and benefits of people in these job categories will be included in
A) fixed cost and marginal cost but not variable cost.
B) fixed cost but not variable cost and total cost.
C) marginal cost and total cost but not fixed cost.
D) fixed cost and total cost but not variable cost.