2Dow, G K. (1987), "The function of authority in transaction cost economics", Journal of Economic Behavior & Organization 8:13 - 38.
3Granovetter, M. (1985), "Economic action and social structures", American Journal of Sociology 91:481 - 580.
4Williamson, O E. (1993),"The economic analysis of institutions and organisation: In general and with respect to country studies", Economics Department Working Papers 133, Paris: OECD.