曼昆《经济学原理》微观 第五版测试题库Word文档下载推荐.docx

1、1. Total surplus is always equal to the sum of consumer surplus and producer surplus.ANS: F DIF: 2 REF: 8-1 NAT: AnalyticLOC: Supply and demand TOP: Total surplus MSC: Interpretive2. Total surplus in a market does not change when the government imposes a tax on that market because the loss of consum

2、er surplus and producer surplus is equal to the gain of government revenue.3. When a tax is imposed on buyers, consumer surplus and producer surplus both decrease. T DIF: Consumer surplus | Producer surplus4. When a tax is imposed on buyers, consumer surplus decreases but producer surplus increases.

3、5. When a tax is imposed on sellers, producer surplus decreases but consumer surplus increases.6. When a tax is imposed on sellers, consumer surplus and producer surplus both decrease.7. Taxes affect market participants by increasing the price paid by the buyer and received by the seller. 1 REF: Tax

4、es MSC: Applicative8. Taxes affect market participants by increasing the price paid by the buyer and decreasing the price received by the seller.9. A tax raises the price received by sellers and lowers the price paid by buyers. Efficiency MSC:10. Normally, both buyers and sellers of a good become wo

5、rse off when the good is taxed. Welfare MSC:11. When a good is taxed, the tax revenue collected by the government equals the decrease in the welfare of buyers and sellers caused by the tax. Welfare | Tax revenue12. A tax places a wedge between the price buyers pay and the price sellers receive.13. A

6、 tax on a good causes the size of the market to increase.14. A tax on a good causes the size of the market to shrink.15. When a tax is imposed, the loss of consumer surplus and producer surplus as a result of the tax exceeds the tax revenue collected by the government.16. Economists use the governme

7、nts tax revenue to measure the public benefit from a tax.17. Because taxes distort incentives, they cause markets to allocate resources inefficiently.18. Taxes cause deadweight losses because they prevent buyers and sellers from realizing some of the gains from trade. Deadweight loss 19. As the pric

8、e elasticities of supply and demand increase, the deadweight loss from a tax increases. 8-2 NAT: Elasticity TOP: Elasticity | Deadweight loss MSC:20. The greater the elasticity of demand, the smaller the deadweight loss of a tax.21. The more inelastic are demand and supply, the greater is the deadwe

9、ight loss of a tax.22. The elasticities of the supply and demand curves in the market for cigarettes affect how much a tax distorts that market.23. If a tax did not induce buyers or sellers to change their behavior, it would not cause a deadweight loss.24. The most important tax in the U.S. economy is the tax on corporations profits.L