The Impact of Taxes on Income Mobility

65 Pages Posted: 31 Jul 2017

Date Written: July 28, 2017

Abstract

This paper investigates how taxes affect relative mobility in the income distribution in the US. Household panel data drawn from the PSID between 1967 and 1996 is employed to analyse the relationship between marginal tax rates and the probability of staying in the same income decile. Exogenous variation in marginal tax rates is identified by using counterfactual rates based on legislated changes in the tax schedule. I find that higher marginal tax rates reduce income mobility. An increase in one percentage point in marginal tax rates causes a decline of around 0.8 percentage points in the probability of changing to a different income decile. Tax reforms that reduce marginal rates by 7 percentage points are estimated to account for around a tenth of the average movements in the income distribution in a year. Additional results suggest that the effect of taxes on income mobility differs according to the level of human capital and that it is particularly significant when considering mobility at the bottom of the distribution.

Keywords: income mobility, inequality, marginal tax rate

JEL Classification: E24, E62, D31, D63, H24, H31

Suggested Citation

Alloza, Mario, The Impact of Taxes on Income Mobility (July 28, 2017). Banco de Espana Working Paper No. 1725, Available at SSRN: https://ssrn.com/abstract=3010198 or http://dx.doi.org/10.2139/ssrn.3010198

Mario Alloza (Contact Author)

Banco de España ( email )

Alcala 50
Madrid 28014
Spain

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