Study realised by Philippe Bertrand (GREQAM, Aix – Marseille 2 University) and Jean-Luc Prigent (THEMA, Cergy-Pontoise University)
Study conducted by Phillipe Bertrand (GREQAM, Aix – Marseille 2 University and Jean-Luc Prigent (THEMA, Cergy – Pontoise University)
Study realised by Eric Jondeau and Michael Rockinger (Lausanne University)
Study realised by Renata Bottazzi (University of Bologna), Tullio Jappelli (University of Naples, CSEF and CEPR) and Mario Padula (University of Venice and CSEF)
Study realised by Jean Chateau & Xavier Chojnicki (CEPII)
Study conducted by Sylvie Cieply and a research team from the laboratory CREM-CNRS 6211 at the University of Caen