This paper outlines and compares the organizational structure of major sports leagues, explores the reasoning behind their formation, and derives implications for salary caps in European football. To understand why sports leagues have developed a specific organizational structure, one must take...

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...