举一反三
- If a competitive firm maximizes short-run profits by producing some quantity of output, which of the following must be true at that level of output? A: p ≥ AVC B: MR > MC C: All of the above D: p > MC
- If a competitive firm maximizes short-run profits by producing some quantity of output, which of the following must be true at that level of output? A: p > MC B: MR > MC C: p ≥ AVC D: All of the above
- Which of the following is true at the quantity of output where average total cost has reached its minimum level?
- A perfectly competitive firm maximizes its profit by producing the output at which its marginal cost equals its ____ A: marginal revenue B: average total cost C: average variable cost. D: average fixed cost.
- Assume that a smartphone maker operates in a perfectly competitive market producing 25,000 smartphones per day. At this output level, price is less than this firm's marginal cost. It follows that producing one more smartphone will cause this firm's:
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Whichofthefollowingstatementsisnotcharacteristicofaperfectlycompetitiveindustryinlong-runequilibrium?Ceterisparibus,thereisnotendencyforfirmstoeitherenterorexittheindustry.A.A profit-maximizing firm may produce any output level at which P B.Every firm produces at an output level at which MC = LRATC.C.Ceteris paribus, there is no tendency for firms to either enter or exit the industry.D.No firm earns an economic profit.
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A monopolist maximizes profits by A: producing an output level where marginal revenue equals marginal cost. B: charging a price that is greater than marginal revenue. C: earning a profit of (P - MC) x Q. D: Both a and b are correct.
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In the short run, the impact of an increase in the money supply on the price level and real output will be: Price level Real output（） ①A. Increase Increase ②B. Increase No change ③C. No change Increase A: ① B: ② C: ③
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中国大学MOOC: All explanations for the upward slope of the short-run aggregate supply curve suppose that the quantity of output supplied increases when the actual price level exceeds the expected price level
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Which of the following is a FALSE statement? A: the very long run focuses on the growth of productive capacity B: in the very long run, the productive capacity is assumed to be given C: in the very short run, shifts in aggregate demand determine how much output is produced D: fluctuations in the rates of inflation and unemployment are important long-run issues E: at the full-employment level of output, capital is not used 100 percent