Markets with hit-and-run entry and exit experience
A) barriers to entry.
B) firms entering whenever they can make a profit and exiting when they cannot make a profit.
C) steady long-run economic profit.
D) a very steady number of firms.
B
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One effect of immigration is to:
A. Decrease a nation's total output and productive capacity B. Make capital resources less scarce relative to labor C. Decrease economic efficiency on a worldwide basis D. Increase the wage bill in a nation experiencing immigration if the demand for labor is elastic
Along a single indifference curve,
A. the slope remains constant. B. the slope increases as the quantity of a good increases. C. the slope is negative. D. the slope is always between 0 and 1.
Suppose there is a simple tax system that says you pay 10% for income up to $10,000, 25% for income between $10,000 and $50,000, and 35% for all income above $50,000. Mr. Campbell has income of $72,000. Mrs. Campbell has income of $55,000.
(A) What is Mr. Campbell's individual tax liability? Mrs. Campbell's? (B) What is their liability if they file a joint return? (C) Is there a marriage penalty? If so, how much is it?
Monopoly power in a market causes:
A. monopolists to earn economic profits of zero. B. consumers to gain. C. market surplus to be lost. D. producers to worry about competition.