Ács, Zoltán J. (contributor) - 2010
David B. Audretsch and Erik E. Lehmann (2005), 'Does the Knowledge Spillover Theory of Entrepreneurship Hold for …: Governance, Start-Ups, and Growth in the U.S. Knowledge Economy, Chapter 3, Cambridge: Cambridge University Press, 39 …), November, 949-59 -- Zoltan J. Acs, Pontus Braunerhjelm, David B. Audretsch and Bo Carlsson (2009), 'The Knowledge Spillover …