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【正文】 升而增加，但當(dāng)稅率越來越高時(shí)，市場(chǎng)萎縮太大以至稅收總額開始下降。 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(jì)學(xué)指的是里根和拉弗等人觀點(diǎn)：他們認(rèn)為削減稅收會(huì)吸引更多的人們工作從而將潛在地增加稅收總額。 Summary ? A tax on a good reduces the welfare of buyers and sellers of the good. And the reduction in consumer and producer surplus usually exceeds the revenues raised by the government. – 對(duì)一個(gè)商品征稅會(huì)減少買者和賣者的經(jīng)濟(jì)福利。消費(fèi)者剩余和生產(chǎn)者剩余的減少通常會(huì)大于政府的稅收。 ? The fall in total surplus – the sum of consumer surplus, producer surplus, and tax revenue – is called the deadweight loss of the tax. – 這種總剩余的減少就是稅收帶來的無謂損失。 Summary ? Taxes have a deadweight loss because they cause buyers to consume less and sellers to produce less. – 稅收會(huì)帶來無謂損失是因?yàn)樗沟觅I者消費(fèi)得更少而賣者生產(chǎn)的更少。 ? This change in behavior shrinks the size of the market below the level that maximizes total surplus. – 這種行為的變化會(huì)使得市場(chǎng)規(guī)模萎縮到總剩余最大化的規(guī)模之下。 Summary ? As a tax grows larger, it distorts incentives more, and its deadweight loss grows larger. – 隨著稅收的增加，它越來越扭曲了激勵(lì)，由此帶來的無謂損失也越來越大。 ? Tax revenue first rises with the size of a tax. – 隨著稅率的增加稅收總額開始時(shí)增加。 ? 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(huì)使得稅收總額下降，因?yàn)樗s減了市場(chǎng)規(guī)模。
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