Suppose that Marlen Fisher has legal protection against anyone producing and selling a fishing lure identical to his unique-action "MarFish" lure, whatever the competitor might name the lure. This legal protection is most likely to be a:

A single-price monopoly has marginal revenue and marginal cost equal to $19 at 15 units of output where the price on the demand curve is $38. At what price will this firm sell the output?

A) $19 B) $38 C) $285 D) $570 E) There is not enough information given to answer the question.

Of the following, who is harmed by a tariff?

A) domestic buyers of the good or service B) the overall domestic economy C) the foreign exporter of the good or service D) domestic producers of the good or service E) Both answers A and B are correct.