L'INSEE / GENES ADRES Again on the Impact of R&D Spillovers at Firm Level in Italy Author(s): Francesco Aiello and Paola Cardamone Reviewed work(s): Source: Annals of Economics and Statistics / Annales d'Économie et de Statistique, No. 87/88, Spatial Econometrics, Innovative Networks and Growth (Jul. - Dec., 2007), pp. 247-271 Published by: L'INSEE / GENES on behalf of ADRES Stable URL: http://www.jstor.org/stable/27650050 . Accessed: 12/04/2012 06:44 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org. L'INSEE / GENES and ADRES are collaborating with JSTOR to digitize, preserve and extend access to Annals of Economics and Statistics / Annales d'Économie et de Statistique. http://www.jstor.org