4Baumol, W. J. , and R. D. Willig, 1981, "Fixed Costs, Sunk Cost, Entry Barriers and Sustainability of Monopoly',Quarterly Journal of Economics,95,August ,pp. 405-431. 被引量:1
5Aranson,P. H. 1982,"Pollution Comtrol :The Case for Competition",in Instead of Regulation:Alternatives to Federal Regulatory Agencies ,R. W. Poole,Jr. ,ed. ,Lexington ,MA:D. C. Heath ,pp. 339-393 被引量:1