The small average size of Spanish firms has been put forward as the main impediment to their international competitiveness. This paper re-examines the link between firm size and exports. The new theories of international trade emphasize firm heterogeneity as the theoretical basis of export...

This paper re-examines gender wage differences, taking into account not only worker characteristics but also job characteristics. Consideration of a wide set of "job quality" indicators can explain a fraction of the wage gap that would otherwise be attributed to pure wage discrimination. In any...