performance of his peers, but decreases with the quality of the team's pitching. Furthermore, a pitcher's performance increases … with the pitching quality of his teammates, but is unaffected by the batting output of the team. These results are … effects ; team production ; externalities …

or changing the team by using a database covering all players of the NBA in the 90's. We predict and confirm that league … team willing to accept the (new) player. Accordingly we find that a good scoring performance and an intense use of a player … reduces the probability of a team-switch, whereas high salaries or non-scoring performance do not. …