Marius Busemeyer (*1978) is Full Professor of Political Science (with a focus on Policy Analysis and Political Theory) at the University of Konstanz, Germany. Busemeyer studied political science, economics and public law at the University of Heidelberg. In 2006, he received his PhD (Dr. rer. pol.) in Political Science from the University of Heidelberg as well. His dissertation identifies structural, political and institutional determinants of education spending in OECD countries with a particular focus on the case of the United States. From 2003 until 2005, Busemeyer was enrolled in the MPA program of the Harvard Kennedy School, Cambridge, MA, as a McCloy-Fellow of the German National Merit Foundation. Between 2006 and 2010, Busemeyer was a researcher at the Max Planck Institute for the Study of Societies in Cologne, Germany, working with Kathleen Thelen and Wolfgang Streeck in a research project studying the dynamics of institutional change in the German vocational training system. His research focuses on comparative political economy, welfare states, public spending, social democratic parties and theories of institutional change. He recently edited a volume (with Christine Trampusch) on the “Political Economy of Collective Skill Formation” (OUP, 2012). He has published in journals such as the Socio-Economic Review, the British Journal of Political Science, the British Journal of Industrial Relations and the European Journal of Political Research.