Multiple Choice
Which of the following is not a reason for the existence of a monopoly?
A) patents
B) marginal-cost pricing
C) economies of scale
D) trademarks
Correct Answer:

Verified
Correct Answer:
Verified
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Q89: Figure 15-1 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1273/.jpg" alt="Figure 15-1
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