Which of the following is a New Keynesian explanation of wage and price stickiness must be discounted?

A) overlapping wage contracts
B) menu costs
C) efficiency wages
D) all of the above

D

Economics

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Refer to the figure above. What is the profit-maximizing quantity that the monopolist should produce if it faces a constant marginal cost of $5?

A) 200 units B) 300 units C) 400 units D) 600 units

Economics

Bill has $10 to spend on a Superman, Batman, or an X-Men T-shirt. Bill buys the Superman T-shirt and the Batman shirt was a close second choice. What is the opportunity cost?

a. The amount he spent, $10. b. Nothing, since he got his preferred choice. c. The Batman T-shirt. d. The X-Men T-shirt.

Economics