Published & Forthcoming Research

• Warming increases risk of civil war in Africa

  with Marshall Burke, Shanker Satyanath, John Dykema and David Lobell Proceedings of the National Academy of Sciences, December 8 2009, 106 (49), 20670-20674 (Supplementary appendix)
  

• Political Competition and Ethnic Identification in Africa

  with Benn Eifert and Daniel Posner Forthcoming, American Journal of Political Science

• Civil War

  with Chris Blattman (NBER Working Paper #14801, March 2009)
  Forthcoming, Journal of Economic Literature

• War and Local Collective Action in Sierra Leone

  with John Bellows Journal of Public Economics, 2009, 93(11-12), 1144-1157

• Incentives to Learn

  with Michael Kremer and Rebecca Thornton (NBER Working Paper #10971, December 2004)
  Review of Economics and Statistics, 2009, 91(3), 437-456

• Development in Dangerous Places: Comment on Collier
  

  Boston Review, July/August 2009

• Deworming and Development: Asking the Right Questions, Asking the Questions Right

  with Don A. P. Bundy, Michael Kremer, Hoyt Bleakley, and Matthew C.H. Jukes PLoS Neglected Tropical Diseases, January 2009, Volume 3 Issue 1, e362

• Is it Africa's Turn?
  

  Boston Review, May/June 2008

• The Impact of Child Health and Nutrition on Education in Less Developed Countries

  with Paul Glewwe Handbook of Development Economics Volume 4
  (eds.) T. Paul Schultz and John Strauss, Elsevier, 2008

• Corruption, Norms and Legal Enforcement: Evidence from Diplomatic Parking Tickets

  with Ray Fisman (NBER Working Paper #12312, June 2006)
  Journal of Political Economy, 2007, 115(6), 1020-1048

• The Illusion of Sustainability

  with Michael Kremer Quarterly Journal of Economics, 2007, 112(3), 1007-1065

• The Electoral Cost of War: Iraq Casualties and the 2004 U.S. Presidential Election

  with David Karol Journal of Politics, 2007, 69(3), 633-648
• Orphans and Schooling in Africa: A Longitudinal Analysis with David K. Evans Demography, 2007, 44(1), 35-57
  (BREAD Working Paper #56, March 2004)
• Poverty and Violence: An Overview of Recent Research and Implications for Foreign Aid in Too Poor for Peace? Global Poverty, Conflict and Security in the 21st Century
  (eds.) Lael Brainard and Derek Chollet, Brookings Institution Press, 2007

• Iron Deficiency Anemia and School Participation

  with Gustavo Bobonis and Charu Puri Sharma Journal of Human Resources, 2006, 41(4), 692-721

• Does Industrialization Build or Destroy Social Networks?

  with Paul Gertler and David I. Levine Economic Development and Cultural Change, 2006, 54(2), 287-318

• Poverty and Crime in 19th Century Germany

  with Halvor Mehlum and Ragnar Torvik Journal of Urban Economics, 2006, 59(3), 370-388

• War and Institutions: New Evidence from Sierra Leone

  with John Bellows American Economic Association Papers and Proceedings, 2006, 96(2), 394-399

• Poverty and Witch Killing

  Review of Economic Studies, 2005, 72(4), 1153-1172
  (BREAD Working Paper #41, August 2003)

• Does Social Capital Promote Industrialization? Evidence from a Rapid Industrializer

  with Paul Gertler and David I. Levine Review of Economics and Statistics, 2005, 87(4), 754-762

• Ethnic Diversity, Social Sanctions, and Public Goods in Kenya

  with Mary Kay Gugerty Journal of Public Economics, 2005, 89 (11-12), 2325-2368

• Who are Russia's Entrepreneurs?

  with Simeon Djankov, Yingyi Qian, Gerard Roland, Ekaterina Zhuravskaya Journal of the European Economics Association, 2005, 3(2-3), 587-597

• Worms: Identifying Impacts on Education and Health in the Presence of Treatment Externalities

  with Michael Kremer Econometrica, 2004, 72 (1), 159-217
  (NBER Working Paper #8481, August 2001)

• Economic Shocks and Civil Conflict: An Instrumental Variables Approach

  with Shanker Satyanath and Ernest Sergenti Journal of Political Economy, 2004, 112(4), 725-753
  (BREAD Working Paper #40, August 2003)

• Tribe or Nation? Nation-Building and Public Goods in Kenya versus Tanzania

  World Politics, 2004, 56 (3), 327-362

• Comment on: "Social Capital and Growth" by Bryan R. Routledge and Joachim von Amsberg

  prepared for the April 2002 Carnegie-Rochester Conference
  Journal of Monetary Economics, 2003, 50, 195-198