Collusion among oligopolistic firms

A. is common in world markets, but does not happen in the U.S.
B. becomes easier during a recession when sales are falling.
C. becomes more difficult if the firms all have different cost and demand curves.
D. becomes more difficult if there were fewer firms in the group.

Answer: C

Economics

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If a good has a price elasticity of demand of -3, it implies that:

A) if the income of the consumer increases by 3%, the quantity demanded of that good will increase by 1%. B) if the income of the consumer increases by 1%, the quantity demanded of that good will increase by 3%. C) if the price of the good increases by 1%, the quantity demanded of the good will decrease by 3%. D) if the price of the good increases by 3%, the quantity demanded of the good will increase by 1%.

Economics

Refer to Figure 12-17. The graphs depicts a short-run equilibrium. How will this differ from the long-run equilibrium? (Assume this is a constant-cost industry.)

A) The price will be higher in the long run than in the short run. B) The market supply curve will be further to the left in the long run than in the short run. C) The firm's profit will be lower in the long run than in the short run. D) Fewer firms will be in the market in the long run than in the short run.

Economics