4[1]Martha.Amram,Nalin.Kulatilaka,Uncertaity:The New Rules for Strategy, Journal of Business Strat-egy, March 1999.
5[2]Dixit A.R.Pindyck The options approach to capital in-vestment[J].Harvard Business Review, 1995,May-June,105～ 115.
6[3]Pindyck R S.Irreversibility,uncertainty,and investment [J]. Journal of Economics Literature,1991, 29 September,1110～ 1148.
7[4]Cheung J K,Managerial flexibility in capital investment decisions: insights from the real options literature [J]Journal of Accounting Literature,1993,12: 29～ 66.
8Pinches G E. Real Option :Developments and Applications[ J ]. The Quarterly Review of Economies and Finance, 1998, 38:533 - 535.
9Bellalah M. Irrersibility, Sunk Costs and Investment under Incomplete Information[J]. R&D Manageraent, 2001, 31(2)115-126.
10Manfred Perlitz, thorsten Peske, and Randolf Schrank.. Real Options Valuation:the new frontier in R＆ D Management,1999(3).
