1. Amable B (2000) Institutional complementarity and diversity of social systems of innovation and production. Rev Int Polit Econ 7(4):645–687
2. Andersson TS (2004) The cluster policies Whitebook. IKED—International Organization for Knowledge Economy and Enterprise Development, Malmo
3. Arbonies A (2002) Basque country: the knowledge cluster. J Knowl Manag 6(4):347–355
4. Arrow J (1974) The limits of organisation. Norton, W. W, New York
5. Asheim B (2005) The geography of innovation: regional innovation systems. In: Mowery JF (ed) The Oxford handbook of innovation. Oxford University Press, Oxford, pp 291–317