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War and Relatedness

  • Enrico Spolaore
  • Romain Wacziarg

We develop a theory of interstate conflict in which the degree of genealogical relatedness between populations has a positive effect on their conflict propensities because more closely related populations, on average, tend to interact more and develop more disputes over sets of common issues. We examine the empirical relationship between the occurrence of interstate conflicts and the degree of relatedness between countries, showing that populations that are genetically closer are more than prone to go to war with each other, even after controlling for a wide set of measures of geographic distance and other factors that affect conflict, including measure of trade and democracy.

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Paper provided by Department of Economics, Tufts University in its series Discussion Papers Series, Department of Economics, Tufts University with number 0734.

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Date of creation: 2009
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Handle: RePEc:tuf:tuftec:0734
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