Optimal Taxes on Capital in the OLG Model with Uninsurable Idiosyncratic Income Risk

Dirk Krueger and Alexander Ludwig

No 12717, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: We characterize the optimal linear tax on capital in an Overlapping Generations model with two period lived households facing uninsurable idiosyncratic labor income risk. The Ramsey government internalizes the general equilibrium feedback of private precautionary saving. For logarithmic utility our full analytical solution of the Ramsey problem shows that the optimal aggregate saving rate is independent of income risk. The optimal time-invariant tax on capital is increasing in income risk. Its sign depends on the extent of risk and on the Pareto weight of future generations. If the Ramsey tax rate that maximizes steady state utility is positive, then implementing this tax rate permanently generates a Pareto-improving transition even if the initial equilibrium is dynamically efficient. We generalize our results to Epstein-Zin-Weil utility and show that the optimal steady state saving rate is increasing in income risk if and only if the intertemporal elasticity of substitution is smaller than 1.

Keywords: Idiosyncratic risk; Taxation of capital; Overlapping generations; Precautionary saving (search for similar items in EconPapers)
JEL-codes: E21 H21 H31 (search for similar items in EconPapers)
Date: 2018-02
New Economics Papers: this item is included in nep-dge, nep-mac, nep-pbe, nep-pub and nep-upt
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (18)

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Related works:
Journal Article: Optimal taxes on capital in the OLG model with uninsurable idiosyncratic income risk (2021)
Working Paper: Optimal Taxes on Capital in the OLG Model with Uninsurable Idiosyncratic Income Risk (2018)
Working Paper: Optimal Taxes on Capital in the OLG Model with Uninsurable Idiosyncratic Income Risk (2018)
Working Paper: Optimal Taxes on Capital in the OLG Model with Uninsurable Idiosyncratic Income Risk (2018)
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