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Population Size and Civil Conflict Risk: Is There A Causal Link?

  • Markus Bruckner

    (Universitat de Barcelona)

Does an expansion of the population size expose nation states to a higher risk of suffering from civil conflict? Obtaining empirical evidence for a causal relationship is difficult due to reverse effects and omitted variable bias. This paper addresses causality issues by using randomly occurring drought as an instrumental variable to generate exogenous variation in population size for a panel of 37 Sub-Saharan countries over the period 1981- 2004. Instrumental variable estimates yield that a one percentage point increase in population size raises the risk of civil conflict by over 5.2 percentage points.

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Paper provided by Universitat de Barcelona. Espai de Recerca en Economia in its series Working Papers in Economics with number 211.

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Length: 0 pages
Date of creation: 2009
Date of revision:
Handle: RePEc:bar:bedcje:2009211
Contact details of provider: Postal: Espai de Recerca en Economia, Facultat de Ciències Econòmiques. Tinent Coronel Valenzuela, Num 1-11 08034 Barcelona. Spain.
Web page: http://www.ere.ub.es

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  1. Collier, Paul & Hoeffler, Anke, 2000. "Greed and grievance in civil war," Policy Research Working Paper Series 2355, The World Bank.
  2. Alesina, Alberto & Spolaore, Enrico, 2005. "War, peace, and the size of countries," Journal of Public Economics, Elsevier, vol. 89(7), pages 1333-1354, July.
  3. Spolaore, Enrico & Alesina, Alberto, 2006. "Conflict, Defense Spending, and the Number of Nations," Scholarly Articles 4553016, Harvard University Department of Economics.
  4. Markus Brückner & Antonio Ciccone, 2009. "International Commodity Prices, Growth, and the Outbreak of Civil War in Sub-Saharan Africa," Working Papers 2009-37, FEDEA.
  5. Enrico Spolaore, 2007. "Civil Conflict and Secessions," Discussion Papers Series, Department of Economics, Tufts University 0705, Department of Economics, Tufts University.
  6. Antonio Ciccone, 2008. "Economic shocks and civil conflict: A comment," Economics Working Papers 1127, Department of Economics and Business, Universitat Pompeu Fabra, revised Feb 2011.
  7. Alesina, Alberto & Spolaore, Enrico, 1997. "On the Number and Size of Nations," The Quarterly Journal of Economics, MIT Press, vol. 112(4), pages 1027-56, November.
  8. Joshua Angrist & Alan Krueger, 2001. "Instrumental Variables and the Search for Identification: From Supply and Demand to Natural Experiments," Working Papers 834, Princeton University, Department of Economics, Industrial Relations Section..
  9. Edward Miguel & Shanker Satyanath & Ernest Sergenti, 2004. "Economic Shocks and Civil Conflict: An Instrumental Variables Approach," Journal of Political Economy, University of Chicago Press, vol. 112(4), pages 725-753, August.
  10. Angus Deaton, 2005. "ERRATUM: Measuring Poverty in a Growing World (or Measuring Growth in a Poor World)," The Review of Economics and Statistics, MIT Press, vol. 87(2), pages 395-395, May.
  11. Heston, Alan, 1994. "A brief review of some problems in using national accounts data in level of output comparisons and growth studies," Journal of Development Economics, Elsevier, vol. 44(1), pages 29-52, June.
  12. Angus Deaton, 2004. "Measuring poverty in a growing world (or measuring growth in a poor world)," Working Papers 178, Princeton University, Woodrow Wilson School of Public and International Affairs, Research Program in Development Studies..
  13. Stock, James H & Wright, Jonathan H & Yogo, Motohiro, 2002. "A Survey of Weak Instruments and Weak Identification in Generalized Method of Moments," Journal of Business & Economic Statistics, American Statistical Association, vol. 20(4), pages 518-29, October.
  14. Fuller, Wayne A, 1977. "Some Properties of a Modification of the Limited Information Estimator," Econometrica, Econometric Society, vol. 45(4), pages 939-53, May.
  15. Jose G. Montalvo & Marta Reynal-Querol, 2007. "Fighting against Malaria: Prevent Wars while Waiting for the "Miraculous" Vaccine," The Review of Economics and Statistics, MIT Press, vol. 89(1), pages 165-177, February.
  16. Brückner, Markus & Ciccone, Antonio, 2007. "Growth, Democracy, and Civil War," CEPR Discussion Papers 6568, C.E.P.R. Discussion Papers.
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