Income inequality, tax base and sovereign spreads

Joshua Aizenman, Yothin Jinjarak

NBER Working Paper No. 18176
Issued in June 2012
NBER Program(s):   IFM

This paper investigates the association between greater income inequality, de-facto fiscal space, and sovereign spreads. Using data from 50 countries in 2007, 2009 and 2011, we find that higher income inequality is associated with a lower tax base, lower de-facto fiscal space, and higher sovereign spreads. The economic magnitude of these effects is large: at the margin, a one point of the Gini coefficient of inequality (in a scale of 0-100), is associated in 2011 with a lower tax base of 2 percent of the GDP, and with a higher sovereign spread of 45 basis points.

Published: Joshua Aizenman & Yothin Jinjarak, 2012. "Income Inequality, Tax Base and Sovereign Spreads," FinanzArchiv: Public Finance Analysis, Mohr Siebeck, Tübingen, vol. 68(4), pages 431-444, December.

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