The pattern of trade observed from firm-product-country data calls for a new generation of models. To address the unexplained variation in the data, we propose a new model of monopolistic competition where varieties enter preferences non-symmetrically, capturing both horizontal and vertical...

We apply a simple method to study the relative quality of Chinese versus European products exported in the clothing sector after the end of the Multi-Fiber Arrangement. Based on the model of Foster et al (2008), we interpret the relative change of export prices and quantities sold in narrowly...

After some decades of relative oblivion, the interest in the optimality properties of monopolistic competition has recently re-emerged due to the availability of an appropriate and parsimonious framework to deal with firm heterogeneity. Within this framework we show that non-separable utility,...