This paper contributes to the literature explaining firm-level heterogeneity in the extensive margin of trade, defined as the number of products exported by each firm. We develop a dynamic model where firms must invest in R&D to maintain and increase their portfolio of goods: the process of...

This paper investigates the influence of parental education onthe returns to experience of italian men using a new longitudinal dataset that contains detailed information on individualworking histories. Our favourite panel estimates indicate that an additional year of parentaleducation increases...