External authors
the Eiffel Group
Agnès Bénassy-Quéré - Yves Bertoncini - Jean-Louis Bianco - Laurence Boone - Bertrand Dumont - Sylvie Goulard - André Loesekrug-Pietri - Rostane Mehdi- Etienne Pflimlin - Denis Simonneau - Carole Ulmer - Shahin Vallee.