Which of the following does NOT help explain why oligopolies exist?
A) economies of scale
B) mergers
C) product homogeneity
D) barriers to entry
C
Economics
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According to the interest rate effect, as the price level:
a. rises, people feel poorer and buy less. b. rises, United States products become more expensive and foreigners buy less U.S. goods. c. rises, interest rates fall, and people buy less. d. rises, interest rates rise, and people buy less. e. falls, interest rates fall, and people buy less.
Economics
A profit-maximizing firm always
a. sells its output at P = MR. b. produces at the output at which MR = 0. c. hires labor until the MRP of labor = 0. d. produces every unit of output for which MR > MC.
Economics