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Time-Consistent Optimal Fiscal Policy Over The Business Cycle, Zhigang Feng

Economics Faculty Publications

This paper examines a dynamic stochastic economy with a benevolent government that cannot commit to its future policies. I consider equilibria that are timeconsistent and allow for history-dependent strategies. A new numerical algorithm is developed to solve for the set of equilibrium payoffs. For a baseline economy calibrated to the U.S. economy, the capital income tax with the highest social welfare is slightly procyclical, while the labor income tax is countercyclical. Compared with the data, this equilibrium provides a better account of the cyclical properties of U.S. tax policy than other solutions that abstract from history dependence. The welfare cost …