Department of Economics, New York University and Courant Institute.
19 W 4th Street, New York, NY 10012
e-mail: galichon@cims.nyu.edu
web: http://alfredgalichon.com
DMA, Ecole Normale Superieure
45 rue dUlm – F 75230 Paris Cedex 05 France.
e-mail gabriel.peyre@ens.fr
web http://www.gpeyre.com
DISMA, Politecnico di Torino
Corso Duca degli Abruzzi 24, 10129 Torino, Italy
e-mail andrea.tosin@polito.it
web http://calvino.polito.it/~tosin