We propose a general model of monopolistic competition, which encompasses existing models while being flexible enough … to take into account new demand and competition features. The basic tool we use to study the market outcome is the …

maintaining monopolistic competition, have mainly emphasized the role of iintrasectoral substitutability. We argue that … introducing oligopolistic competition can be an alternative extension, still tractable, allowing to restore the role of … varying competitive toughness. For two particular competitive regimes, price competition and quantity competition, we show how …

competition featuring product diversity, pro-competitive effects and income heterogeneity between and within countries. We show …

competition featuring product diversity, pro-competitive effects and income heterogeneity between and within countries. We show …