2Sugato Bhauacharyya and Fancine Lafontaine, ""Double-side Moral Hazard and the Nature of Share Contracts"",RAND Journal of Economics, winter 1995.
3Williamson,O.E, ""Credible Commitments:Using Hostages to Support Exchange"". September American Economic Review. 1983.
4Joseph Farrell and Carl Shapiro, ""Optimal Contracts with Lock-in"", American Economic Review, March 1989.
5R.Presto McAfee and Marius Schuwartz,Opportunism in Multilateral Vertical Contracting: Nondiscrimination, Exclusivtity, and Uniformity, American Economic Review, March 1994.
6Reid.Joseph DJr.,""Sharecropping as an Understandable Market Response:The Post Rellum Sohuth"".Journal of Economic History. March 1977.
7Rubin, P.H, ""The Theory of the Firm and the Structure of the Franchise Contract"", Journal of Law and Economics, 1978.
8Eswaran,M. And Kowtal,A,""A Theory of Contractual Structure in Agriculture"", American Economic Review, 1985.
9Mathewson,G.F.and Winter, R.A, ""The Economics of Franchise Contracts"", Journal of Law and Economics, 1985.