Efficiency of environmental policies aiming at fostering the adoption of new technologies: the case of renewable energies

This thesis aims to study the efficiency of promotion policies of renewable energies in electric power production taking into account the environment economy problems. The techniques at a commercial scale are particularly discussed. The first part deals with the incitement to technical progress in favor of the environmental protection. The second part proposes an empirical analysis based on the efficiency economical parameters and the last part analyses theoretically the efficiency of promotion tools of renewable energies. (A.L.B.)