Jonathan is Professor in the Department of Government at the University of Essex and Director of the Essex Summer School in Social Science Data Analysis. He joined Essex in 2015, having previously held faculty positions at the University of Houston, Trinity College, Dublin and the University of Nevada, Las Vegas. He holds a PhD from the University of California, Los Angeles and a BA from Rutgers University. His main research and teaching interests are in quantitative comparative politics, political institutions, and European politics. His research frequently employs formal theory and quantitative methods to explore legislative behaviour, political parties, and democratic representation. His most recent book, co-authored with Sven-Oliver Proksch, is entitled “The Politics of Parliamentary Debate: Parties, Rebels and Representation” and is published by Cambridge University Press. Other research has appeared in journals such as the American Journal of Political Science, the British Journal of Political Science, International Organisation, and World Politics.

Selected Publications

Sven-Oliver Proksch and Jonathan B. Slapin (2015) The Politics of Parliamentary Debate: Parties, Rebels and Representation. Cambridge University Press.

Jonathan B. Slapin (2011) Veto Power: Institutional Design in the European Union. University of Michigan Press.

James Lo, Sven-Oliver Proksch and Jonathan B. Slapin (2016) “Ideological Clarity in Multi-Party Competition: A New Measure and Test Using Election Manifestos” British Journal of Political Science 46(3).

Jonathan B. Slapin (2015) “How Membership in the European Union Can Undermine the Rule of Law in Emerging Democracies” West European Politics 38(3).

Jonathan B. Slapin (2014) “Measurement, Model Testing, and Legislative Influence in the European Union” European Union Politics 15(1).

Julia Gray and Jonathan B. Slapin (2013) “Exit Options and the Effectiveness of Regional Economic Organizations” Political Science Research and Methods 1(2).

Christian Jensen, Sven-Oliver Proksch and Jonathan B. Slapin (2013) “Parliamentary Questions, Oversight, and National Opposition Status in the European Parliament” Legislative Studies Quarterly 38(2).

Sven-Oliver Proksch and Jonathan B. Slapin (2012) “Institutional Foundations of Legislative Speech” American Journal of Political Science 56(3).