Thad DunningThad Dunning is Associate Professor of Political Science at Yale University and a research fellow at Yale's Institution for Social and Policy Studies and the Whitney and Betty MacMillan Center for International and Area Studies. He has written on a rnge of methodological topics, including impact evaluation, econometric corrections for selection effects and multi-method research in the social sciences, and his first book, Crude Democracy: Natural Resource Wealth and Political Regimes (Cambridge University Press, 2008), won the Best Book Award from the Comparative Democratization Section of the American Political Science Association. Read More Read Less