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Optimal Ramsey Tax Cycles

  • Marcus Hagedorn

This paper asks whether tax cycles can represent the optimal policy in a model without any extrinsic uncertainty. I show, in an economy without capital and where labor is the only choice variable (a Lucas-Stokey economy), that a large class of preferences exists, where cycles are optimal, as well as a large class where they are not. The larger government expenditures are, the larger the class of preferences for which cycles are optimal becomes. Tax cycles are also more likely to be optimal if frictions (deviations of the model from Walrasian markets) are added. While this cannot be shown in general and will not be true for arbitrary frictions, I demonstrate this in two specific worlds. I consider an economy with search frictions in the labor market, and one with frictions in the goods and credit market. A reasonable parametrization of both economies shows that results change considerably. Even with constant relative risk aversion, cycles can be optimal, whereas this class of preferences rules out cycles in the Lucas-Stokey economy. Finally, I characterize the optimal policy. No more than two tax rates are needed to implement the Ramsey policy both in the Lucas-Stokey economy and in the model with frictions.

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Paper provided by Institute for Empirical Research in Economics - University of Zurich in its series IEW - Working Papers with number 354.

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Date of creation: Dec 2007
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Handle: RePEc:zur:iewwpx:354
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