This paper investigates the strategic effect of bundling when a multi-product firm producing two complements faces competition in both markets. I consider a demand structure where both Cournot and Bertrand competition can be evaluated. Bundling is completely ineffective when firms compete in...

In this paper I will evaluate the strategic behavior of two firms which can activate R&D investments either to process or to product innovation. I will consider a particular kind of process R&D activity, which I will call Transport and Communication R&D and which aims at increasing the net...

In this paper I will evaluate the role of R&D investment in transport and communication in a duopoly with trade. I will in fact consider the strategic behavior of two firms located in two different countries. They can activate R&D investments in order to improve the technology of the...

The existence of transport costs among countries makes pricesof tradables diverge. When the market structure is a differentiated oligopoly the prices of tradables increase as a country get larger and/orricher. In a framework of economies of scale-differentiation-monopolistic competition a less...

In this paper we consider a duopoly two-stage duopoly where firms first decide whether to invest in advertising and then compete in prices. Advertising has two effects: a market enlargement for both firms and a predatory gain for the investing firm only. Both symmetric and asymmetric equilibria...