Membre du Jury: Coing, Henri et Offner, Jean-Marc et Scherrer, Franck et Trancart, Jean-Luc et Warin, PhilippeSince the early 90s, the liberalization process, the new regulation schemes and the transformation of State and local authorities positions have implied a mutation in the historical models of governance of water, electricity and telecommunications utilities. Meanwhile, firms have undertaken organizational reforms in order to promote commercial strategies and demand-side management. Based on a method of political sociology, this dissertation aims to analyze how the new strategies and practices of the different stakeholders i.e. State, local authorities, regulatory bodies, firms and consumer organizations tends to modify the users sta...