1Grossman, Sanford and Hart, Oliver. The Costs mad Benefits of Ownership, A Theory of Lateral and Vertical Integration. Journal of Political Economy, 1986, 94. 691-719.
2Hart, Oliver and Moore, John. Property Rights and the Nature of the Firm. Journal of Political Economy, 1990, 98; 1119- 1158.
3Williamson, Oliver E. The Econcaxic Institutions of Capitalism, Firms.Markets and ReIational Contracting, New York, Free Press, 1985.
4Klein, Benjamin; Crawford, Robert G. and Alchian, Arman A. Vertical Integration, Appropriable Rents, and the Competitive Contracting Process. Journal of Law and Economics, 1978, 21(2): 297 - 326.