Notes, Comments and Preliminary results Feb 08 2011 Paulo S.A. Sousa and Pedro Cosme C. Vieira   Universities and authors: a ranking for international finance   Abstract  Contact Information  Citation  Full Text  -  Note   May 18 2007 Pedro Cosme Vieira and Samuel Pereira   How to control market power of activity centers? A theoretical model showing the advantages of implementing competition within organizations   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result