Emily Beaulieu is Assistant Professor of Political Science at the University of Kentucky, Lexington. She can be reached at emily.beaulieu@uky.edu.

Tim Büthe is Associate Professor of Political Science at Duke University and Senior Fellow of the Duke Rethinking Regulation Center at the Kenan Institute for Ethics, Durham, N.C. He can be reached at buthe@duke.edu or www.buthe.info.

Gary W. Cox is Professor of Political Science at Stanford University, Palo Alto, Calif. He can be reached at gwcox@stanford.edu.

Jack Donnelly is the Andrew Mellon Professor at the Josef Korbel School of International Studies, University of Denver, Colo. He can be reached at jdonnell@du.edu.

Songying Fang is Assistant Professor of Political Science at Rice University, Houston, Texas. She can be reached at sfang@rice.edu.

Tana Johnson is Assistant Professor of Public Policy and Political Science at Duke University, Durham, N.C. She can be reached at tana.johnson@duke.edu.

Solomon Major is Associate Professor in the Strategic Research Department of the U.S. Naval War College, Newport, R.I. He can be reached at smajor@stanfordalumni.org.

Michaela Mattes is Assistant Professor of Political Science at Vanderbilt University, Nashville, Tenn. She can be reached at m.mattes@vanderbilt.edu.

André de Mello e Souza is Researcher at the Institute for Applied Economic Research, Brasília, Brazil. He can be reached at andre.souza@ipea.gov.br.

Sebastian Saiegh is Associate Professor of Political Science at the University of California, San Diego. He can be reached at ssaiegh@ucsd.edu.

Randall W. Stone is Professor of Political Science at the University of Rochester, Rochester, N.Y. He can be reached at randall.stone@rochester.edu.

Johannes Urpelainen is Assistant Professor of Political Science at Columbia University, New York. He can be reached at ju2178@columbia.edu.