May 21 2010 Juan Gabriel Brida , María J. Such-devesa , Marta Faias and Alberto Pinto   Strategic Choice in Tourism with Differentiated Crowding Types   Abstract  Contact Information  Citation  Full Text  -  Note   May 08 2001 Myrna Wooders and Edward Cartwright   On the theory of equalizing differences Increasing abundances of types of workers may increase their earnings   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result