Notes, Comments and Preliminary results Sep 24 2009 Juan Gabriel Brida and W. Adrian Risso   Dynamic and Structure of the Italian stock market based on returns and volume trading   Abstract  Contact Information  Citation  Full Text  -  Note   Apr 14 2008 Edgar J Sanchez Carrera , W. Adrian Risso and Juan Gabriel Brida   Tourism's Impact on Long-Run Mexican Economic Growth   Abstract  Contact Information  Citation  Full Text  -  Note   Mar 12 2008 Silvia London , Wiston Adrian Risso and Juan Gabriel Brida   Human capital and innovation: a model of endogenous growth with a “skill-loss effect”   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result