1. Arrighetti, A., Bachmann, R. and Deakin, S. 1997. Contract law, social norms and inter-firm cooperation, Cambridge Journal of Economics, vol. 21, 171–95
2. Arrow, K. 1971. Political and economic evaluation of social effects and externalities, pp. 3–25 in Intriligator, M. (ed.), Frontiers of Qualitative Economics, Amsterdam, North-Holland
3. Arrow, K. 1972. Gifts and exchanges, Philosophy and Public affairs, vol. 1, 343–62
4. Axelrod, R. 1984. The Evolution of Cooperation, New York, Basic Books
5. Bachmann, R. 2001. Trust, power and control in trans-organizational relations, Organization Studies, vol. 22, 337–65