Using game-level panel data on the National Basketball Association (NBA), we examine the causal effect of within-team salary dispersion on team performance. We exploit three measures of salary dispersion and examine the effect at three levels: whether the outcome of the game is influenced by...

Using the National Longitudinal Survey of Youth 1997, we examine the relationship between initiating substance use and youth sexual behaviour. We employ a combination of panel data and propensity score matching techniques to control for observed and unobserved heterogeneity. The results indicate...