Suppose at the current price, the demand for copper is estimated at -3.14. What happens to sales revenue if the government imposes a price ceiling below the free market equilibrium price in the copper market?

A) Sales revenue falls.
B) Sales revenue remains unchanged because copper is a necessity for most industries.
C) Sales revenue rises.
D) It cannot be determined without information on prices.

C

Economics

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If the price of gasoline was $3.25 a gallon and it is now $3.75 a gallon, what is the percentage change in price?

A) 7.1 percent B) 13.3 percent C) 15.4 percent D) 33.3 percent

Economics

If an economy is efficient:

a. resources are still available to produce specific consumer goods that are more desirable. b. prices are the lowest they can possibly be. c. all goods are produced at their maximum price and quality. d. all opportunities to make people better off without making other people worse off have been exploited.

Economics