Assume a certain firm regards the number of workers it employs as variable but regards the size of its factory as fixed. This assumption is often realistic

a. in the short run but not in the long run.
b. in the long run but not in the short run.
c. both in the short run and in the long run.
d. neither in the short run nor in the long run.

a

Economics

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Marginal cost is the cost

A) that your activity imposes on someone else. B) that arises from an increase in an activity. C) of an activity that exceeds its benefit. D) that arises from the secondary effects of an activity.

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Which of the following is NOT a characteristic of perfectly competitive markets?

A) The government restricts the number of producers through licensing requirements. B) All market participants are price-takers. C) It is easy to find a trading partner. D) All products are identical.

Economics