This paper describes the dynamics of firms' exports to different countries. Using a panel of almost 19,000 French exporters, we define an export-relation as an observed positive export flow from a French firm to a destination. We establish the following facts: 1. There is a great deal of...

Even though differences in sectoral total factor productivity are at the heart of Ricardian trade theory and many models of growth and development, very little is known about their size and their form. In this paper we try to fill this gap by using a Hybrid-Ricardo-Heckscher-Ohlin trade model...

This paper studies cross country differences in productivity from an open economy perspective by using a Helpman-Krugman-Heckscher-Ohlin model. This allows to combine tools from development accounting and the trade literature. When simultaneously fitting data on income, factor prices and the...

We study a dynamic general equilibrium model where innovation takes the form of the introduction of new goods whose production requires skilled workers. Innovation is followed by a costly process of standardization, whereby these new goods are adapted to be produced using unskilled labor. Our...