Study realised by Didier Davydoff, former director of the OEE
Study realised by Robert J. Gary-Bobo (CREST, ENSAE) and Meryam Zaiem (CREST, ENSAE)
Study realised by IODS and the European Savings Institute (OEE) for the European Consumer Organisation (BEUC)
Study realised by Yannick L’Horty (University of Evry-Val-d’Essonne)