We estimate Cox models to determine proportional hazard rates in professional basketball, concerning leaving the league or changing the team by using a database covering all players of the NBA in the 90's. We predict and confirm that league-hazards depend on a player's performance. A teamswitch,...

One of the most stylized facts in labor economics is the finding that wages tend to rise with job duration but what is the role of productivity between this relation? Intuitively, it seems rather unspectacular that experienced workers' earnings are higher than otherwise comparable junior...