Does Income Inequality Lead to Terrorism? Evidence from the Post-9/11 Era

Discussion Paper Series, Wilfried Guth Endowed Chair for Constitutional Political Economy and Competition Policy, University of Freiburg, No. 2015-04

30 Pages Posted: 13 Jun 2015

See all articles by Tim Krieger

Tim Krieger

University of Freiburg - Department of Economics

Daniel Meierrieks

WZB Berlin Social Science Center

Date Written: June 13, 2015

Abstract

We study the influence of income inequality on terrorism. Using cross-national data for 79 countries for the 2002-2012 period, we show that endogeneity matters to the inequality-terrorism relationship, e.g., because of the distributional effects of terrorism. Once endogeneity is properly accounted for by means of an instrumental-variable approach, higher levels of income inequality result in more terrorist activity. This finding is robust to different definitions of the dependent variable, different estimation techniques and different instruments for income inequality. Our finding that inequality fuels terrorism is consistent with relative deprivation theory which argues that conflict results from frustration over the actual distribution of economic resources within a society.

Keywords: income inequality, terrorism, Gini coefficient, relative deprivation, instrumental-variable approach

JEL Classification: C36, D74

Suggested Citation

Krieger, Tim and Meierrieks, Daniel, Does Income Inequality Lead to Terrorism? Evidence from the Post-9/11 Era (June 13, 2015). Discussion Paper Series, Wilfried Guth Endowed Chair for Constitutional Political Economy and Competition Policy, University of Freiburg, No. 2015-04, Available at SSRN: https://ssrn.com/abstract=2617924 or http://dx.doi.org/10.2139/ssrn.2617924

Tim Krieger (Contact Author)

University of Freiburg - Department of Economics ( email )

University of Freiburg
Wilhelmstr. 1b
Freiburg, D-79085
Germany

HOME PAGE: http://www.wguth.uni-freiburg.de

Daniel Meierrieks

WZB Berlin Social Science Center ( email )

Reichpietschufer
50
Berlin, D-10785
Germany

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