Idrissa G.-O. Sibailly Ecole Polytechnique and CREST-LEI   Ecole Polytechnique, Département d'Economie Route de Saclay Palaiseau, 91128 France   idrissa.sibailly@polytechnique.edu         Primary Research Focus: Industrial organization, Environmental regulation, Innovation economics, Oligopoly theory   JEL Areas: Q5 : Environmental Economics: General L : Industrial Organization