1. Arrow K (1962) Economic Welfare and the Allocation of Resources for Invention. In: Nelson R (ed) The Rate and Direction of Inventive Activity. Princeton University Press, Princeton
2. Audretsch D (1995) Innovation and Industry Evolution, MIT Press, Cambridge MA
3. Audretsch D, Thurik A (1999) Innovation, Industry Evolution and Employment, Cambridge University Press, Cambridge
4. Audretsch D, Feldman M (1996) RD Spillovers and the Geography of Innovation and Production. American Economic Review 86: 253–273
5. Audretsch D, Stephan P (1996) Company-Scientist Locational Links: The Case of Biotechnology. American Economic Review 86: 641–652