Jan 13 2012 Connie Bayudan-Dacuycuy   The Philippine export portfolio in the product space: potentials, possibilities and policy challenges   Abstract  Contact Information  Citation  Full Text  -  Note   May 02 2008 Clarissa Yeap   Price markups in oligopoly models with differentiated products   Abstract  Contact Information  Citation  Full Text  -  Note   Jan 08 2004 Nicolas Jonard and Eric Schenk   A note on compatibility and entry in a circular model of product differentiation   Abstract  Contact Information  Citation  Full Text  -  Note