College graduates tend to earn more than non-graduates but it is difficult to ascertain how much of this empirical association between wages and college degree is due to the causal effect of a college degree and how much is due to unobserved factors that influence both wages and education (e.g....

This paper uses factor models to identify and estimate distributions of counterfactuals. We extend LISREL frameworks to a dynamic treatment effect setting, extending matching to account for unobserved conditioning variables. Using these models, we can identify all pairwise and joint treatment...

Despite abundant microeconomic level evidence, the role of human capital in economic development has not been well documented at the macroeconomic level. Up to now, many empirical macro studies lack a consistent theoretical foundation. In addition, the wide range of published results seems to...