Ex-post firm heterogeneity can result from different strategies to overcome labor market imperfections by ex-ante identical firms—with far-reaching consequences for the welfare effects of trade. With asymmetric information about workers' abilities and costly screening, in equilibrium some...

International trade is primarily conducted by large, multiproduct firms (MPFs) that pay above average wages and exhibit high productivity. In this paper we show that if firms can invest in management technologies for identifying worker skill then they will enjoy a form of market power in the...

A growing empirical literature attributes much of the productivity advantages of large, "superstar" firms to their adoption of best practice management techniques that allow them to better identify and use talented workers. The reasons for the incomplete adoption of these "structured management...

A growing empirical literature attributes much of the productivity advantages of large, "superstar" firms to their adoption of best practice management techniques that allow them to better identify and use talented workers. The reasons for the incomplete adoption of these "structured management...