Welcome to my personal homepage! I am Professor for Methods of Comparative Political Research at the Cologne Center for Comparative Politics at the University of Cologne. My research interests are social science methods with an emphasis on case studies, Qualitative Comparative Analysis (QCA), and multimethod research. Substantively, I work on political parties.
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Working paper on the relationship between crisp ses, fuzzy sets and consistency in Qualitative Comparative Analysis
I have written a working paper on the relationship between the choice of crisp and fuzzy sets and the consequences for finding a consistent set relation. Contrary to a commonly held view (I think it is a commonly held view), fuzzy sets do not necessarily make it less likely to find a consistent set relation.
