A Theory of Income Taxation Under Multidimensional Skill Heterogeneity

47 Pages Posted: 4 Feb 2015

See all articles by Casey Rothschild

Casey Rothschild

Wellesley College

Florian Scheuer

Stanford University - Department of Economics; National Bureau of Economic Research (NBER)

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Date Written: January 30, 2015

Abstract

We develop a unifying framework for optimal income taxation in multi-activity economies with general production technologies. Agents are characterized by an N-dimensional skill vector that captures intrinsic abilities in N activities. The private return to each activity depends on individual skill and an aggregate activity-specific return, which is a general function of the economy-wide distribution of efforts across activities. The optimal tax schedule features a multiplicative income-specific correction to an otherwise standard tax formula. Because taxes affect the relative returns to different activities, this correction diverges, in general, from the weighted average of the Pigouvian taxes that would align private and social returns in each activity. We characterize this divergence as a function of relative return elasticities, and its implications for the shape of the income tax both generally and in a number of applications, including externality-free economies with general equilibrium effects, economies with increasing or decreasing returns to scale, zero-sum activities such as bargaining or rent extraction, and positive or negative spillovers.

Keywords: income taxation, general equilibrium, multidimensional screening, multi-sector economies

JEL Classification: H210

Suggested Citation

Rothschild, Casey and Scheuer, Florian, A Theory of Income Taxation Under Multidimensional Skill Heterogeneity (January 30, 2015). CESifo Working Paper Series No. 5165, Available at SSRN: https://ssrn.com/abstract=2559702 or http://dx.doi.org/10.2139/ssrn.2559702

Casey Rothschild

Wellesley College ( email )

106 Central St.
Wellesley, MA 02181
United States

Florian Scheuer (Contact Author)

Stanford University - Department of Economics ( email )

Landau Economics Building
579 Serra Mall
Stanford, CA 94305-6072
United States

National Bureau of Economic Research (NBER) ( email )

1050 Massachusetts Avenue
Cambridge, MA 02138
United States

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