1. Allen, R.C. (1983), Collective Invention,Journal of Economic Behaviour and Organisation. 1: 1–24.
2. Antonelli, C. (1987a), New Information Technology and Industrial Organisation: Experiences and Trends in Italy, OECD, Directorate for Science,Technology and Industry, mimeo.
3. Antonelli, C. (1987b), DalPeconomia industriale all’organizzazione Industriale’,Economia Politica. 2: 277–320.
4. Arcangeli, F., P. David and G. Dosi (eds.) (1989),The Diffusion of New Technologies, vol. 1, Oxford, Oxford University Press (forthcoming).
5. Arrow, K. (1962),Economic Welfare and the Allocation of Resources for Invention, in: The Rate and Direction of Inventive Activity. NBER, Princeton University Press.