Le premier objectif de l'etude est de mettre en evidence les reseaux regionaux du commerce international, en mesurant la "proximite commerciale" entre les pays. Les coefficients d'intensite relatives bilaterales des echanges permettent une telle mesure. Ils comparent chaqueflux bilateral observe...

Depuis le milieu des annees soixante-dix, la position des travailleurs les moins qualifies sur les marches du travail des pays industrialises s'est singulierement devalorise. Encore majoritaires dans la population active, leur proportion decroît regulierement depuis vingt-cinq ans. Pourtant,...

In this paper, we estimate firm-level markups and test some micro-level predictions of a model of international trade with heterogeneous firms and endogenous markups. Our theoretical framework is an extended version of the Melitz and Ottaviano (2008) (MO) model that features both quality and...

Recent trade models with heterogenous firms have considerable consequences on the interpretation of gravity equations. Chaney (2008) shows that the effect of distance on trade margins incorporates three parameters: the elasticity of substitution between goods, the elasticity of trade costs with...

Within the migration-trade nexus literature, this paper proposes a more carefully defined measure of migration business networks, and quantifies its impact on bilateral trade. Controlling for the overall bilateral stock of migrants, the share of migrants employed in managerial/business-related...