2[1]Coase, R(1937). The Nature of the Firm. Economica.
3[2]Goldberg, V. P ( 1976 ). Regulation and Administered Contracts. Bell Journal of Economics.
4[3]Klein, G (1988). Vertical Integration as Organization Ownership: The Fisher Body-General Motors Relationship Revisited. Journal of Law, Economics, and Organization.
5[4]Hart, Oliver. and John, Moore (1988). Incomplete Contract and Renegotiation. Economertrica.
6[5]Tirole,Jean(1999). Incomplete Contracts: Where Do We Stand?. Econometrica.
7[6]Hart, Oliver. and Jonh, Moore (1999). Foundation of Incomplete Contracts. Review of Economic Studies,66.
8[7]Alchian, A. and Harold Demsetz ( 1972 ). Production,Information costs,and Economic Organization.
