The paper presents results from two natural experiments on the impact of revenue sharing and salary caps on competitive balance in sports leagues arising from the introduction of professionalism in Rugby Union in 1995. The first involves the English Premiership, which traditionally applied a...

The paper analyses the impact of the relatively belated move to professionalism in Rugby Union. We use data on match attendance for 3,667 fixtures in European club Rugby over 15 seasons to estimate the effect of competitive balance on attendance. We find that (short- and medium-term) competitive...

We analyze cooperative behavior in a prisoner's dilemma game with high stakes, face-to-face communication, and two rounds of pre-play in which the two final contestants are endogenously selected via a voting process. Using data from the British television game show 'Golden Balls', we find a...