[fre] Cet article présente des éléments d'analyse dérivés de la théorie de l'organisation industrielle qui éclairent le développement récent des activités de commerce électronique sur Internet. [eng] E-commerce: some elements of industrial organisation. . This article presents some...

[fre] Cet article présente des éléments d'analyse dérivés de la théorie de l'organisation industrielle qui éclairent le développement récent des activités économiques sur Internet. L'exposé présente de façon synthétique une partie du matériel développé plus en détail dans...

This article presents some pieces of analysis derived from the theory of industrial organisation that shed light on the recent development of electronic commerce on Internet. Classification JEL : L 86

This article presents some pieces of analysis derived from the theory of industrial organisation that shed light on the recent development of economic activities on Internet. The survey draws in a synthetic way from material exposed more extensively in Gaudeul-Jullien [2000], concerning online...

L'exposé présente un certain nombre d'éléments expliquant pourquoi les activités se développant sur le Net ne peuvent pas être bien appréhendées dans un contexte de concurrence parfaite, et discute la nature des barrières à l'entrée. Nous verrons que l'essentiel des changements...

Participants in a market, buyers and sellers, may need the service of an intermediary who will put them into contact and give them information about their potential trading partner. The intermediary chooses what price it will charge to each side to have access to its service. It also chooses...

The broad aim of this paper is to gain some insight into the quantitative importance of reputation in e-commerce. We use an exhaustive data set from one of France’s largest e-commerce platforms, <a href="http://www.priceminister.com/">PriceMinister.com </a>, to estimate a statistical causal effect of a seller’s reputation (and size)...

This chapter provides a roadmap to the burgeoning literature on two-sided markets with a specific focus on BtoB market places. On-line intermediation involves two-sided network effects between buyers and sellers, and the implications for optimal BtoB platforms’ tariffs are discussed. The...

We analyze early contracting when a seller has private information on the future gains from trade and the buyer can bypass. Despite ex-post trade occurring under complete information and being efficient, early negotiation with an informed seller allows the uninformed buyer to improve her...