Labour market and financial information is combined to explore the effect of the quality of labour employed on the profitability of the firm. The quality of labour is measured as the portion of wage differentials that cannot be explained by the human capital model. Profitability of Hungarian...

Exporters are few-less than one-fifth among U.S. manufacturing firms-and are larger than non-exporting firms-about 4-5 times more total sales per firm. These facts are often cited as support for models with economies of scale and firm heterogeneity as in Melitz (2003). The authors find that the...