This paper reports the results of a laboratory experiment that aims at investigating the effect of manipulating reputation in the context of online decentralized feedback systems, such as eBay. Our experimental results indicate that the agents do not hesitate to manipulate their reputation even...

This paper compares the best selling books, cd and dvd on the French Amazon website to those of the Amazon Marketplace which connects professionals and non professionals (individuals) interested in new and second-hand cultural goods. We show that the catalog of the best selling items on Amazon...

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...

As an introduction to a series of contributions about Internet economics, the present paper has three goals. We firstly recall several basic facts and principles characterizing the morphology of the Internet, its operating system, its regulation procedures, as well as its rapid success which...

The aim of this paper is to determine the legal regulation adapted to the development of Internet. We show that the law and economics model is partially transposable in cyberspace legal order. Starting from the statement of similarity between real and virtual world judicial problems, we explain...

This article studies the competition between an electronic commerce firm and a traditional shop, that set respectively a uniform delivered price and a mill price. Furthermore, they face different geographical constraints: the proximity of consumers in the case of the traditional shop, and...

This paper discusses some phenomena in the corporate finance of internet start-ups that emerged during the ?internet buble?? between 1998-2000. The advent of nternet start-ups had a major impact on the investment flow and the operations of the venture capital industry in the US and in Europe. It...

This paper analyzes the role played by vertical integration in two-sided markets. We show that platform?s profits may be higher under vertical integration when the platform faces coordination problem. We also underline the tension between this ?coordination value? of vertical integration and the...

The adjustment between supply and demand was characterized in mass retailing by the display of an exhaustive, competitive and comparable offering of products with clearly-defined and visible characteristics. Adjustment between this supply and demand was framed by an irregular, indirect,...

Discourse on the new economy is rooted in the shift from the original free, academic internet to the beginnings of today?s mass, commercial Internet. Some computer specialists tried to maintain the founding tradition by proposing an alternative economic model : freeware. Others, by contrast,...