This paper show evidence that firms choose from a much larger set of internationalization modes than usually assumed in the international trade literature and that this choice is governed by similar selection processes than the one proposed by Helpman, Melitz, Yeaple (2004 AER). We rely on a...

We analyse a very rich and unique panel database which provides information on exports at the firm-product level. A stylised fact in the data is that many firms add as well as drop products from the export mix in any given year. Motivated by recent theory we investigate what determines the...