This paper offers some results on the comparison of the costs and benefits associated to the Public-Private Partnerships and to the traditional mode of public contracting. We conclude by explorng the limits of the model. Classification JEL : H11

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...