Economics: The Open-Access, Open Assessment E-Journal http://www.economics-ejournal.org en Gilles Saint-Paul Welfare Effects of Intellectual Property in a North-South Model of Endogenous Growth with Comparative Advantage 2007-03-01 http://www.economics-ejournal.org/economics/discussionpapers/2007-1 JEL F12 JEL F13 JEL O30 JEL O34