Authors: Ricardo Arlegi, Miguel Ángel Ballester, Manuel Besada, Juan R. De Miguel, Jorge Nieto and Carmen Vázquez
Mathematical Social Sciences, Vol. 54, No 3, 238--243, January, 2007Authors: Ricardo Arlegi, Miguel Ángel Ballester, Manuel Besada, Juan R. De Miguel, Jorge Nieto and Carmen Vázquez
Mathematical Social Sciences, Vol. 54, No 3, 238--243, January, 2007© Barcelona Graduate School of Economics. All rights reserved.