We examine a model of price competition with strictly convex costs where the firms simultaneously decide on both price and quantity, are free to supply less than the quantity demanded, and there is discrete pricing. If firms are symmetric then, for a large class of residual demand functions,...

We examine pollution-reducing R&D by a monopoly firm producing a dirty product. In a dynamic framework with hyperbolic discounting, we establish conditions under which the Porter hypothesis goes through, i.e. environmental regulation increases R&D, thus reducing pollution, as well as increasing...

We examine, in the context of less developed countries, the R&D behaviour of igopolistic firms who compete over R&D, as well as output levels. We also assume that the firms can sell in either of the two markets - the domestic, or the foreign. We show that entry liberalization, despite increasing...