1Aidan vining, Steven Globeman ( 1999 ), A eonceptual framework for understanding the outsourcing decision,European Management Journal, 6,645-654.
2Coase,Ranald(1960) ,The Problem of Social Cost,Journal of Law and Economics, 3,1-44.
3Williamson, Oliver, ( 1975 ), Transaction-cost economics: the governance of contractual relations, Journal of law and economics, 22,233-261.
4Yang, X.and Yeh, Y.( 1996 ), A General Equilibrium Model with Endogenous Principalagent Relationship, Department of Economies Seminar Paper, Monash University.
5Yang, X. ( 2000 ), Economics : New Classical Versus Neoclassical Framework, England, Blackwell.