Jens Hainmueller studies political methodology and comparative and international political economy. His methodological research interests include statistical methods for causal inference and experimental design. His applied research interests include the role of money in politics, trade and fair trade certification, immigration, and representation. His work has appeared in venues such as the Journal of the American Statistical Association, International Organization, Political Analysis, Electoral Studies, and the Journal of Statistical Software. He received his Ph.D. in Government from Harvard University in 2009.