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? Eventually, however, a larger tax reduces tax revenue because it reduces the size of the market – 但是最終過高的稅率會使得稅收總額下降,因為它縮減了市場規(guī)模。 Summary ? Taxes have a deadweight loss because they cause buyers to consume less and sellers to produce less. – 稅收會帶來無謂損失是因為它使得買者消費得更少而賣者生產(chǎn)的更少。 Deadweight Loss and Tax Revenue Vary with the Size of the Tax... The Laffer Curve and Supplyside Economics ? The Laffer curve depicts the relationship between tax rate and tax revenue. – 拉弗曲線描繪了稅率和稅收收入之間的關(guān)系 ? Supplyside economics refers to the views of Reagan and Laffer who proposed that a tax cut would induce more people to work and thereby have the potential to increase tax revenues. – 供給經(jīng)濟學(xué)指的是里根和拉弗等人觀點:他們認為削減稅收會吸引更多的人們工作從而將潛在地增加稅收總額。因為過高的稅率縮小了市場規(guī)模。 Deadweight Loss and Tax Revenue as Tax Vary ? With each increase in the tax rate, the deadweight loss of the tax rises even more rapidly than the size of the tax. – 當稅率增加時,其帶來的無謂損失比稅收規(guī)模增加的速度更快。 Tax Distortions and Elasticities... 稅收扭曲和彈性 Quantity Price Demand Supply 0 When supply is relatively inelastic, the deadweight loss of a tax is small. (a) Inelastic Supply (a)供給缺乏彈性 Size of tax Quantity Price Demand Supply 0 Size of tax When supply is relatively elastic, the deadweight loss of a tax is large. (b) Elastic Supply (b) 供給富有彈性 Tax Distortions and Elasticities... 稅收扭曲和彈性 Quantity Price Demand Supply 0 When demand is relatively inelastic, the deadweight loss of a tax is small. (c) Inelastic Demand