12) If the supply of labor in a purely competitive labor market increases, then the
product:
A.Supply curve for a single employer will shift to the right
B.Supply curve for a single employer will shift to the left
C.Demand curve for a single employer will shift to the right
D.Demand curve for a single employer will shift to the left
13) Two major virtues of the market system are that it:
A.allocates resources efficiently and allows economic freedom.
B.results in an equitable personal distribution of income and always maintains full
employment.
C.results in price level stability and a fair personal distribution of income.
D.eliminates discrimination and minimizes environmental pollution.
14) Jane quit her job at IBM where she earned $50,000 a year. She cashed in $50,000 in
corporate bonds that earned 10% interest annually to buy a mini-bus. Jane has decided
to buy the mini-bus and set up a commuter service between Lincoln and Omaha. There
are 1000 people who will pay $400 a year each for the commuter service; $280 from
each person goes for gas, maintenance, insurance, and depreciation. She estimates that
her entrepreneurial skills would have typically yielded a normal profit of $5,000 in
another business.
(a)Complete the following questions: (1) What are Janes total revenues? (2) What are
Janes explicit costs? (3) What is her accounting profit?
(b)List the important implicit costs that Jane has not included.
(c)What is Janes pure economic profit (loss)?
15) Which of the following types of firms are least likely to have their MC, AVC, and
ATC curves affected by fluctuations in gasoline prices?