An Economic Analysis on Pension Financing Methods:
Is VAT Better than Wage Proportional Tax?

Junichiro Takahata

March 2009


Recently, Japanese public pension scheme has been discussed more often, especially about how to finance the scheme. It is possible to finance the scheme by wage-proportional contribution or by Value-Added-Tax, but the allocation may be different depending on the financial method. I find that an optimal tax rate is 0 percent at steady state under either method by using a dynamic general equilibrium model with individuals living at longest 80-period in an incomplete market setting. Moreover, I show that it is better to have the scheme with Value-Added-Tax when we have a certain amount of public pension scheme.

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