In the December 2002 issue of the American Economic Review, Mark Duggan and Steven D. Levitt published an article on corruption in professional sumo. In the present paper, we update Duggan and Levitt's study to take into account changes since January 2000. We find strong statistical evidence...

Comparisons between European and North American sports leagues have occurred over the years. In this paper, we attempt to bring these comparisons down to the essential elements – what has come to be called Rottenberg's (1956) invariance principle and theoretical insights into attempts to alter...

Professional sports leagues have witnessed the appearance of so-called "sugar daddies" - people who invest enormous amounts of money into clubs and become their owners. This paper presents a contest model of a professional sports league that incorporates this phenomenon. We analyze how the...

The regulation of executive pay currently is a topic widely discussed in politics and the media. In this contribution we analyze a sector with a long tradition of pay regulation: professional team sports. We provide an analysis of the most important regulatory practices and their consequences on...

This paper develops a contest model to compare social welfare in homogeneous leagues in which all clubs maximize identical objective functions with mixed leagues in which clubs maximize different objective functions. We show that homogeneous leagues in which all clubs are profit-maximizers...

This paper provides a game-theoretic model of a professional sports league and analyzes the effect of luxury taxes on competitive balance, club profits and social welfare. We show that a luxury tax increases aggregate salary payments in the league as well as produces a more balanced league....