Notes, Comments and Preliminary results May 22 2007 Jorge Alcalde-Unzu   Indeterminacy in a variety expansion model of endogenous growth   Abstract  Contact Information  Citation  Full Text  -  Note   Jun 14 2006 Jorge Alcalde-Unzu , Roberto Ezcurra and Pedro Pascual   Mobility as movement: A measuring proposal based on transition matrices   Abstract  Contact Information  Citation  Full Text  -  Note