How does an increase in unionization costs, i.e. costs which arise when workers are organized by a union, affect the … unionization, heterogeneous firms as well as free market entry/exit. If unionization costs are relatively low (high), we find that … an increase in these costs decreases (increases) average productivity and welfare decreases (increases). Additionally, we …

This paper studies the welfare consequences of a vertical merger that raises rivals costs when downstream competition … is à la Cournot between firms with constant asymmetric marginal costs. The main result is that such a vertical merger can …

This paper investigates the welfare costs of urban traffic by considering its implications on good-level prices. Using …