2D. Kreps & R. Wilson, Reputation and Imperfect Information [J]. Economic Theory.1982, Vol.27, P253-279.
3Grossman & Hart. The Costs and Benefits of Ownership: A Theory of Vertical and Lateral Integration [J]. The Journal of Political Economy, Vol.94, issue 4(Aug., 1986), 691-719.
4Godfrey.J.E. Does employee ownership really makes a difference [J]. CPA Journal. 2000, (1):13.