Despite unambiguous predictions of the canonical model of a competitive labor market, empirical studies on the labor market effects of payroll taxation provide conflicting evidence. Our meta-analysis shows that varying degrees of labor market competitiveness across places and time could be one...

We develop and test a model of the patenting and R&D decisions of an innovating firm whose researcher-employees sometime quit to join or start a rival. In our model, the innovating firm patents to protect itself from its workers. We show theoretically that the risk of a scientist's departure...