Economics: The Open-Access, Open Assessment E-Journal http://www.economics-ejournal.org en Bruno Cassiman Reinhilde Veugelers Pluvia Zuniga Diversity of Science Linkages: A Survey of Innovation Performance Effects and Some Evidence from Flemish Firms 2010-12-08 URIdoi:10.5018/economics-ejournal.ja.2010-33JEL L13 JEL O32 JEL O34