经济学原理对应练习6.docx

1、Chapter 6Supply, Demand, and Government PoliciesMultiple Choice1. Price controls are usually enacteda. as a means of raising revenue for public purposes.b. when policymakers believe that the market price of a good or service is unfair to buyers or sellers.c. when policymakers detect inefficiencies i

2、n a market.d. All of the above are correct.ANS: BPTS: 1DIF: 1REF: 6-0TOP: Price ceilings | Price floorsMSC: Interpretive2. The presence of price controls in a market usually is an indication thata. an insufficient quantity of a good or service was being produced in that market to meet the publics ne

3、ed.b. the usual forces of supply and demand were not able to establish an equilibrium price in that market.c. policymakers believed that the price that prevailed in that market in the absence of price controls was unfair to buyers or sellers.d. policymakers correctly believed that, in that market, p

4、rice controls would generate no inequities of their own. ANS: CPTS: 1DIF: 2REF: 6-0TOP: Price ceilings | Price floorsMSC: Interpretive3. Policymakers sometimes are attracted to price controls becausea. they view the markets outcome as inefficient.b. they view the markets outcome as unfair.c. it is p

5、olitically popular to impose price controls in markets in which the demand for the good or service is inelastic.d. they are required to do so under the Employment Act of 1946. ANS: BPTS: 1DIF: 2REF: 6-0TOP: Price ceilings | Price floorsMSC: Interpretive4. Price controlsa. always produce an equitable

6、 outcome.b. always produce an efficient outcome.c. can generate inequities of their own.d. produce revenue for the government.ANS: CPTS: 1DIF: 2REF: 6-0TOP: Price ceilings | Price floorsMSC: Interpretive5. Policymakers use taxesa. to raise revenue for public purposes, but not to influence market out

7、comes.b. both to raise revenue for public purposes and to influence market outcomes.c. when they realize that price controls alone are insufficient to correct market inequities.d. only in those markets in which the burden of the tax falls clearly on the sellers. ANS: BPTS: 1DIF: 2REF: 6-0TOP: TaxesM

8、SC: Interpretive6. A legal maximum price at which a good can be sold is a pricea. floor.b. stabilization.c. support.d. ceiling.ANS: DPTS: 1DIF: 1REF: 6-1TOP: Price ceilingsMSC:Definitional217Chapter 6/Supply, Demand, and Government Policiesv 2197. A price ceilinga. is a legal maximum on the price at

9、 which a good can be sold.b. is often imposed in markets in which “cutthroat competition” would prevail without a price ceiling.c. is often imposed when sellers of a good are successful in their attempts to convince the government that the market outcome is unfair without a price ceiling.d. All of t

10、he above are correct.ANS: APTS: 1DIF: 2REF: 6-1TOP: Price ceilingsMSC:Interpretive8. A legal minimum price at which a good can be sold isa. exemplified by rent-control laws.b. usually intended to enhance efficiency in a market.c. called a price ceiling.d. called a price floor.ANS: DPTS: 1DIF: 1REF:

11、6-1TOP: Price floors MSC: Definitional9. A price floora. is a legal minimum on the price at which a good can be sold.b. can result when sellers of a good are successful in their attempts to convince the government that the market outcome without a price floor is unfair to them.c. can create inequiti

12、es in a market.d. All of the above are correct.ANS: DPTS: 1DIF: 1REF: 6-1TOP: Price floors MSC: Definitional10. Which of the following is the most likely explanation for the imposition of a price floor in the market for corn?a. Policymakers have studied the effects of the price floor carefully and t

13、hey recognize that the price floor is advantageous for society as a whole.b. Buyers and sellers of corn have agreed that the price floor is good for both of them and have therefore pressured policy makers into enacting the price floor.c. Buyers of corn, recognizing that the price floor is good for t

14、hem, have pressured policy makers into enacting the price floor.d. Sellers of corn, recognizing that the price floor is good for them, have pressured policy makers into enacting the price floor.ANS: DPTS: 1DIF: 2REF: 6-1TOP: Price floors MSC: Interpretive11. A price ceiling will be binding only if i

15、t is seta. equal to equilibrium price.b. above equilibrium price.c. below equilibrium price.d. none of the above; a price ceiling is never binding. ANS: CPTS: 1DIF: 2REF: 6-1TOP: Price ceilingsMSC:Interpretive12. A price ceiling is binding when it is seta. above the equilibrium price, causing a shortage.b. above the equilibrium price, causing a surplus.c. below the equilibrium price, causing a shortage.d. below the equilibrium price, causing a surplus. ANS: CPTS: 1DIF: 2REF: 6-1 TOP: Price ceilings | ShortagesMSC: Interpretive13. Suppose a pri