Which of the following is true of a perfectly competitive market?

a. If economic profits are earned then the price will fall over time.
b. In long-run equilibrium P = MR = SRMC = SRATC = LRAC.
c. A constant-cost industry exists when the entry of new firms has no effect on their cost curves.
d. All of these.


d

Economics

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Which of the following is a primary cause of exchange rate movements in the short run?

a. Changes in relative interest rates. b. Changes in expectations of future exchange rates. c. Changes in relative prices. d. Changes in economic conditions such as relative GDPs. e. None of the above.

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The speculative demand for money relates the quantity of money demanded (or held) to

a. the level of income b. the interest rate c. the price level d. the investment opportunity e. satisfy consumption needs

Economics

As emissions levels stabilize for a stock pollutant

a. Health and other impacts also stabilize b. Health and other impacts begin to decrease c. Health and other impacts continue to increase d. Health and other impacts may increase or decrease e. Health and other impacts are reduced to zero

Economics

Which of the following is an ordering of jobs based on their content or relative value?

A. Job analysis B. Job description C. Job structure D. Job evaluation

Economics