In a model of vertical product differentiation, duopolistic firms face qualitydependent costs and compete in quality and price in two segmented markets. Minimum quality standards, set uniformly or according to the principle of Mutual Recognition, can be used to increase welfare. The analysis...

We propose a general model of monopolistic competition and derive a complete characterization of the market equilibrium based on an Arrow-Pratt measure of concavity of the utility, interpreted as the relative love for variety. When the relative love for variety increases with the consumption...

WTO negotiations deal predominantly with bound - besides applied - tariff rates. But, how can reductions in tariffs ceilings, i.e. tariff rates that no exporter may ever actually be confronted with, generate market access? The answer to this question relates to the effects of tariff bindings on...

WTO negotiations deal predominantly with bound - besides applied - tariff rates. But, how can reductions in tariffs ceilings, i.e. tariff rates that no exporter may ever actually be confronted with, generate market access? The answer to this question relates to the effects of tariff bindings on...

This paper develops a framework to appreciate the observed heterogeneity of firm size distributions and the entry and exit of products and firms associated with it. It is based on a model where new products are introduced by innovating firms in a quasi-temporal setting of monopolistic...

This paper studies the role of international trade and the export participation decisions of establishments for firm creation over the business cycle in a general equilibrium model. The model captures two key features of establishment and exporter dynamics: i) new establishments start small and...

In this paper, we assess the impact of competition and regulation on prices of mobile services in France. We estimate hedonic price regressions using data on tariff plans offered by the main mobile telecommunications operator in France between May 2011 and December 2014. In this time period, the...

Although many countries welcome inward investments by multinational firms (MNEs), it is often perceived that MNEs readily close down production in bad times. We study the choice of an MNE in deciding whether to establish a branch plant within a region, explicitly taking into account exit, as...

This paper studies the role of international trade and the export participation decisions of establishments for firm creation over the business cycle in a general equilibrium model. The model captures two key features of establishment and exporter dynamics: i) new establishments start small and...

Although many countries welcome inward investments by multinational firms (MNEs), it is often perceived that MNEs readily close down production in bad times. We study the choice of an MNE in deciding whether to establish a branch plant within a region, explicitly taking into account exit, as...