We test existing superstar theories for the German soccer league. We use various measures for individual players’ performance and media presence to analyze whether performance and popularity can explain salaries and superstars in soccer. Moreover, we argue that quantile regression technique...

We show that professional soccer players exhibit reference-dependent behavior during matches. Controlling for the state of the match and for unobserved heterogeneity, we show on a minute-by-minute basis that a player breaches the rules of the game, measured by the referee's assignment of cards,...

We show that professional soccer players exhibit reference-dependent behavior during matches. Controlling for the state of the match and for unobserved heterogeneity, we show on a minute-by-minute basis that a player breaches the rules of the game, measured by the referee's assignment of cards,...

Recent theoretical research has identified many ways how contracts can be used as rent seeking devices vis-à-vis third parties, but there is no empirical evidence on this issue so far. To test some basic qualitative properties of this literature, we develop a theoretical and empirical framework...

Governance- und Wettbewerbstheorien -- Institutionell-strategische Analyse des europäischen Profifußballs -- Systemvergleich der Bundesliga und Premier League -- Empirische Erfolgs- und Effizienzanalyse der Big-5-Ligen -- Profifußball zwischen Kultur und Kommerz.