9Henry G. Manne,"Mergers and the Market for Corporate Control", Joumal of Political Econonty. Vol. 73(1965). pp. 110-120. Armen A. Alchian and Harold Demasetz,"Production, Information Costs, and Economic Organization", American Eoonomic Review, Vol. 62. pp, 777-795.
10Linda Elizabeth De Angelo,"Managerical Competition,Information Costs,and Corporate Governance!the Use of Accounting Performance Measures in Proxy Contests",Journal of Accounting and eoonomics,Vol,10(1988),pp.3-36.