In 1934 Springer published a book by Heinrich von Stackelberg,“Market and Equilibrium”,
which contained pathbreaking studies on oligopolistic markets. In particular, it analyzed the …

We develop a model of market entry under social learning through word of mouth (WOM).
The success of an entrant depends on consumer awareness generated via WOM, modeled …

Media are among the most influential institutions in modern societies. Media outlets–press,
TV, Internet, radio, cinema–have become the leading players in the production and diffusion …

This literature review puts forward a comparison between the traditional seller, usually
represented by classic Industrial Organization (IO) models, and system providers, which are …

We develop a two-stage oligopolistic network competition model where, first, firms
simultaneously determine their prices, and, second, consumers connected through a …

In this paper, we model a fully covered duopoly market in which two firms offer a
differentiated information product that exhibits positive network effects and a complementary …

This paper considers an oligopolistic market for a vaccine, characterized by negative
network effects, which stem from the free‐riding behavior of individuals engaged in a …

The R&D literature framed in a strategic context shows two unpleasant outcomes for the
public goods nature of knowledge: 1) the private R&D activity results in under-investment …

This paper examines the implication of the nature of competition in a market with network
externalities on strategic investment in process R&D by firms. It shows that network …

This paper provides a thorough analysis of an oligopolistic market for a vaccine,
characterized by negative (demand-side) network externalities, which stem from the free …