How should firms optimally choose prices and promotional strategies and how should they position their products when consumers are "relative thinkers"? We provide answers in a model that extends the seminal contributions of Varian (1980) and Narasimhan (1988) and derive both managerial...

This paper presents a model of strategic buyer-seller networks with information exchange between sellers. Prior to engaging in bargaining with buyers, sellers can share access to buyers for a negotiated transfer. We study how this information exchange affects overall market prices, volumes and...

The analytical background for this research is provided by the Structure-Conduct-Performance paradigm (SCP). In this view market structure determines the behavior of the firms (market conduct) and finally determines market performance. This paper explains the role of market structure on...

It is widely believed that larger customers in a market can secure lower prices than smaller customers. This paper presents conditions under which risk averse sellers, who can distinguish larger customers from smaller customers, but who cannot observe customers' valuations, have an incentive to...

What would happen if firms could collusively choose cost of transport (inconvenience) in Hotelling's spatial model? This paper endogenises inconvenience in a three stage game, where firms choose locations, the inconvenience, and finally compete in price, on the assumption of a common reservation...

This paper investigates the effect of spillovers in a model of endogenous technical change resulting from learning or network effects on the existence of a lower bound to market concentration.

This paper investigates the impact of technical progress on the relationship between competition an investment. Using a model of oligopoly competition with di¤erentiated products where firms invest to reduce their marginal cost of production, I find that technical progress, which increases the...

This paper investigates the incentives to invest in improving the quality (as distinguished to investment in a new activity) in telecommunication industry using the empirical example of wireless markets. We highlight that investment incentives are positively related to the potential for...

The following paper aims at studying the competitive effect of the entry in the gas market of importers of liquefied natural gas (LNG hereafter). In particular we would like to analyze whether the construction of LNG terminals and the entry of LNG importers can have a positive effect on the gas...