8) the total revenue curve of a competitive seller graphs as a straight, upsloping line.
9) A major source of funding of R&D in large, established corporations is:
A.venture capital.
B.dividends.
C.mutual funds.
D.retained earnings.
10) The socially optimal amount of pollution abatement occurs where society’s
marginal:
A.benefit of abatement exceeds its marginal cost of abatement by the greatest amount.
B.benefit of abatement equals its marginal cost of abatement.
C.benefit of abatement is zero.
D.cost of abatement is at its maximum.
11) Long-run real wages in the United States have:
A.risen, because growth in the demand for labor has exceeded growth in the supply of
labor.
B.risen, because the supply of labor has fallen over time.
C.fallen, because growth in the supply of labor has exceeded growth in the demand for
labor.
D.fallen, because the demand for labor has fallen over time.
12) assume that if the interest rate that businesses must pay to borrow funds were 20
percent, it would be unprofitable for businesses to invest in new machinery and
equipment so that investment would be zero. but if the interest rate were 16 percent,
businesses will find it profitable to invest $10 billion. if the interest rate were 12
percent, $20 billion would be invested. assume that total investment continues to
increase by $10 billion for each successive 4 percentage point decline in the interest
rate.
refer to the above information. using i and i to indicate the interest rate and investment
(in billions of dollars) respectively, which of the following is the correct tabular
presentation of the described relationship?