Daniel N. Posner is Assistant Professor of Political Science at UCLA. His research focuses on ethnic politics, regime change, and the political economy of development in Africa. He has published articles in numerous journals including the American Journal of Political Science, Comparative Political Studies, Comparative Politics, and the British Journal of Political Science. He has received grants or fellowships from the Russell Sage Foundation, the Harry Frank Guggenheim Foundation, and the Harvard Academy for International and Area Studies. He has been a National Fellow at the Hoover Institution at Stanford University, and is currently a Carnegie Scholar of the Carnegie Corporation of New… York.