Due to the nature of the patent laws on pharmaceuticals, the market for such drugs

a. always remains a competitive market.
b. always remains a monopolistic market.
c. switches from competitive to monopolistic once the firm's patent runs out.
d. switches from monopolistic to competitive once the firm's patent runs out.

d

Economics

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The trade-to-GDP ratio is calculated by

A) exports divided by GDP. B) imports divided by GDP. C) exports plus imports divided by GDP. D) exports minus imports divided by GDP. E) exports divided by imports.

Economics

During the colonial period, "enumerated goods" included

a. tobacco. b. sugar. c. indigo. d. cotton. e. All of the above.

Economics