Multiple Choice
Why is a patent a government-imposed entry barrier?
A) it allows a firm to achieve economies of scale.
B) it is a key input owned by the firm that is granted the patent.
C) it limits the quantity of a good that can be imported into a country.
D) it gives a firm the exclusive right to a new product for a period of 20 years from the date the product is invented.
Correct Answer:

Verified
Correct Answer:
Verified
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