[eng] Studying differentiated product markets has become one of the main topics in New Empirical Industrial Organization. This paper presents different methodological approaches that have been used. It stresses on their pros and cons according to the type of available data and the features of...

In this paper we develop a model to deal simultaneously with the holding of equipment and the choice of a level of usage. Based on individual data, our model deals with standard problems encountered in the empirical IO literature, i.e. price endogeneity, dimensionality of product sets and...

Publiée par la Commission européenne, l’étude examine l’évolution économique et technique du marché de l’édition scientifique en Europe. Elle a été commandée dans le cadre du débat public actuel sur les conditions d'accès aux publications scientifiques et sur leur diffusion....

The so-called buffer time or buffer delay allows airlines to control for excessive delays by introducing extra time in their schedule in addition to what is technically required. . We study the differences between unregulated markets - where airlines are free to fix their buffer times...