Discussion paper DP5752 Everything You Always Wanted to Know about Inventors (But Never Asked): Evidence from the PatVal-EU Survey Dietmar Harhoff Walter Garcia-Fontes Alfonso Gambardella Paola Giuri Myriam Mariani Alessandra Luzzi Stefano Brusoni Dominique Francoz Aldo Geuna Raul Gonzales Karin Hoisl Christian LeBas Laura Magazzini Lionel Nesta Önder Nomaler Neus Palomeras Parimel Patel Marzia Romanelli 13 Jul 2006 Industrial Organization J24 O31 O34