Montinari, Letizia; Riccaboni, Massimo; Schiavo, Stefano - Dipartimento di Economia e Management, Università … - 2015
This paper contributes to the literature explaining firm-level heterogenenity 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 RD to maintain and increase their portfolio of goods: the process of...