If a monopolist can sell 3 units at price of $150 per unit and 4 units at a price of $140 per unit, its marginal revenue at an output of 4 is
A) $-10.00.
B) $10.00.
C) $560.00.
D) $110.00.
D
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For which of the following groups has the poverty rate declined most in the United States?
a. unmarried heads of households b. married heads of households c. less-educated African-Americans d. African-Americans with high school but not college educations e. people 65 and older
Suppose the small country of Trantor has a steady growth rate of 2.5 percent. Its GDP is expected to double in
A. 70 years. B. 5 years. C. 2.5 years. D. 28 years.
At an annual growth rate of 2 percent, approximately how long does it take for real GDP per capita to increase from $30,000 to $60,000 in a country?:
A) 15 years B) 25 years C) 35 years D) 45 years
The marginal social cost (MSC) function is the sum of the following:
a. market-level marginal abatement cost (MACmkt) + marginal cost of enforcement (MCE) b. marginal abatement cost (MAC) + marginal external cost (MEC) c. marginal abatement cost (MAC) + total social cost (TSC) d. market-level marginal abatement cost (MACmkt) + marginal external cost (MEC)