All Rights Reserved
AccessEcon LLC 2006, 2008.
Powered by MinhViet JSC
ralph lauren polo

First Author:
Lina Mallozzi
University of Naples Federico II
Department of Mathematics and, Applications, V. Claudio 21
Naples, 80125, Italy

Second Author:

Stef Tijs
University of Tilburg
Econometrics and Operations, Econometrics and Operations, Research
Tilburg, 5000 LE, The Netherlands