在Growth里面，Wage Tax和Expenditure Tax有什么区别吗？

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我在学习Ramsey Model，关于fiscal policy里面，纠结于Tax的部分章节，希望大家能解答一下~

教材讲了有三种Tax，
Income Tax就是 直接在Income上面征收的，就相当于（1-z）Y，会导致consumption，capital，output都下降。
Wage Tax，Lucas（1990）提出的，具体是怎么征收，没有什么公式表示..
Expenditure Tax，Kaldor（1956）提出到，主要是征收income minus net acuqisition of assessts，
就是(1-Z)(Y- investment)


所以我就想了很久都搞不懂到底Wage Tax和Expenditure Tax有什么不同，虽然他们都能保持其他变量的稳定。

教授的handout还解释了Kalor的比Lucas的好~但是具体是怎么好，我还是不理解(>__<)

纠结~~希望大家解答一下

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关键词：expenditure Growth Wage GROW tax investment capital Lucas income policy

wage tax应该在工资水平上加吧，RMT上说最优的capital tax和wage tax应该在极限状态为0，以免造成供给的扭曲。EXP TAX是对消费征税吧，应该不会扭曲供给。

whaonvger 发表于 2009-12-30 15:11
wage tax应该在工资水平上加吧，RMT上说最优的capital tax和wage tax应该在极限状态为0，以免造成供给的扭曲。EXP TAX是对消费征税吧，应该不会扭曲供给。

Thx

I duno what is RMT, could u tell me the full name of it? :)

About the Wage Tax and Expenditure Tax, I just duno why wage tax only focus on the labor (in our handout, it says Y=K+L and Labor is the one to be taxed)
but as to Exp Tax, the gov tax the rest after Income minus Investment which i think can encourage people to invest in the capital.

Porfessor says Exp Tax is better cuz it has larger tax base and better social fairness. I dont get it.
Do u hv any idea about that?

Many thanks.
Sorry for all those words are in english cuz we dont hv chinese in lib>_<

RMT refers to the book "Recursive Macroeconomic Theory" by Tom Sargent.

In my opinion,labor tax is equivalent to the case of a relatively low wage rate, which makes the agent devote less working hours.  Therefore, the output of the economy shrinks. Exp Tax certainly has a larger tax base, because it has no effect on capital or labor supply.

If possible, could you send me a PDF or DOC version of your handout? My email address is wangchuand@yahoo.com.cn

Thanks.