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Quantifying the Microeconomic Effects of War: How Much Can Panel Data Help?

  • Margarita Pivovarova


    (Department of Economics, University of Toronto)

  • Eik Leong Swee


    (Department of Economics, University of Melbourne)

The extensive coverage of household surveys in conflict regions in recent decades has fueled a growing literature on the microeconomic effects of war. Most researchers identify these effects using econometric methods, with difference-indifferences – which exploits variation across birth cohorts and war intensity – being the most popular. This paper highlights problems of endogenous war intensity and selfselection due to non-random displacement when using common empirical methods on cross-sectional data, and explains how they can be overcome with panel data. We draw on a unique set of cross-sectional and panel data from Nepal to demonstrate our proposition. Both unobserved locality factors and individual heterogeneity lead to huge swings in the estimates of war intensity effects. Our results imply that researchers ought to think carefully about empirical methods and explain possible statistical biases, especially when their results are used to inform policy decisions. For researchers who use panel data, we propose augmentations to existing methods.

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Paper provided by Households in Conflict Network in its series HiCN Working Papers with number 116.

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Length: 36 pages
Date of creation: Apr 2012
Date of revision:
Handle: RePEc:hic:wpaper:116
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