Fundamental tax reform is examined in a heterogeneous overlapping-generations (OLG) model in which agents face idiosyncratic earnings shocks and uncertain life spans. Following Auerbach and Kotlikoff (1987), a Lump-Sum Redistribution Authority is used to rigorously examine efficiency gains over the transition path. A progressive income tax is replaced with a flat consumption tax (for example, a value-added tax or a national retail sales tax). If shocks are insurable (that is, no risk), this reform improves (interim) efficiency, a result consistent with the previous literature. But if, more realistically, shocks are uninsurable, this reform reduces efficiency, even though national wealth and output increase over the entire transition path. This efficiency loss, in large part, stems from reduced intragenerational risk sharing that was previously provided by the progressive tax system
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
9492.
Length: Date of creation: Feb 2003 Date of revision: Handle: RePEc:nbr:nberwo:9492
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Find related papers by JEL classification: H0 - Public Economics - - General H2 - Public Economics - - Taxation, Subsidies, and Revenue
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Auerbach, Alan J. & Hines, James Jr., 2002.
"Taxation and economic efficiency,"
Handbook of Public Economics,
in: A. J. Auerbach & M. Feldstein (ed.), Handbook of Public Economics, edition 1, volume 3, chapter 21, pages 1347-1421
Elsevier.
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