This paper studies changes over time in the incidence of labor tying. The existingliterature is successful in explaining the emergence of this institution, but contains thecounterfactual implication that there should be an increasing trend in labor tying. However,previous contributions have so...

How much would output increase if underdeveloped economies were to increase their levels of schooling? We contribute to the development accounting literature by describing a nonparametric upper bound on the increase in output that can be generated by more schooling. The advantage of our approach...