derniers mois. Les managers, notamment ceux des sociétés Internet, ont-ils réellement tenté de profiter d'un effet d'aubaine au …

estimates the consumer's surplus of Internet's connection for France in 2005. Second, our paper challenges the initial … hypothesis take into account the concavity of the demand function of Internet and the second adds more realistic non …-monetary variables. We also make some differentiation between Internet adoption and access frequency patterns using Heckman's (1976 …