Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/129570
Authors: 
Findeisen, Sebastian
Sachs, Dominik
Year of Publication: 
2014
Series/Report no.: 
Working Paper Series, Department of Economics, University of Mannheim 14-17
Abstract: 
This paper analyzes Pareto optimal taxation of labor and capital income in a lifecycle framework with private information and idiosyncratic risk. We focus on historyindependent tax systems. We thereby complement the Mirrlees taxation literature, which has so far typically either characterized optimal history-dependent distortions or focused on static environments. For labor income taxes, we provide a novel decomposition of tax formulas into a redistribution and an insurance component. The latter is independent of redistributive motives and is determined by the degree of income risk and risk aversion. We show that the optimal linear capital tax rate is non-zero and derive a simple formula, which trades off redistributive and insurance benefits against the efficiency loss from savings distortions. Our quantitative results show that the insurance component contributes significantly to optimal labor tax rates. Optimal capital taxes are significant and yield sizable welfare gains.
Subjects: 
Optimal Dynamic Taxation
Capital Taxation
First-Order Approach
JEL: 
H21
H23
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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