This paper examines national origin bias in professional basketball in both the North American National Basketball Association (NBA) and Spanish professional league (Liga ACB). Past studies into racial bias find mixed results. In contrast, our study provides consistent evidence that players born...

We analyse how a change in the probability of winning a tournament affects an agent's effort using the qualification rules for entry into the group and playoff stages of the UEFA Champions' League. Our results suggest that increasing the number of slots that a national league gets in the...