Karen J. Alter is Professor of Political Science at Northwestern University, Evanston, Illinois. She can be reached at kalter@northwestern.edu.

J. Lawrence Broz is Associate Professor of Political Science at the University of California, San Diego. He can be reached at jlbroz@ucsd.edu.

Jeff D. Colgan wrote this article as a Ph.D. student at Princeton University and is now Assistant Professor at the School of International Service of American University. He can be reached at colgan@american.edu.

Daniela Donno is Assistant Professor of Political Science at the University of Pittsburgh. She can be reached at donno@pitt.edu.

Laurence R. Helfer is Harry R. Chadwick, Sr., Professor of Law at Duke University School of Law, Durham, North Carolina. He can be reached at helfer@law.duke.edu.

Michael Plouffe is a doctoral student at the University of California, San Diego. He can be reached at mplouffe@ucsd.edu.

Kenneth Scheve is Professor of Political Science and Co-Director of the Leitner Program in International and Comparative Political Economy at Yale University, New Haven. He can be reached at kenneth.scheve@yale.edu.

Todd S. Sechser is Assistant Professor of Politics at the University of Virginia, Charlottesville. He can be reached at tsechser@virginia.edu.

David Stasavage is Professor of Politics at New York University, New York. He can be reached at david.stasavage@nyu.edu.