Montinari, Letizia; Riccarboni, Massimo; Schiavo, Stefano - Centre de recherche en Économie (OFCE), Sciences … - 2015
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...