1Smets. Exporting Versus FDI: the Effect of Uncertainty, lrreversibilities and Strategic Interactions [C]. Working Paper, Yale University, 1991.
2Han T J , Smit, L A, A Ankum. Real Options and Game- Theoretic Approach to Corporate Investment Strategy under Competition[J]. Financial Management, 1993,22 (3).
3Huisman K.J.M, P.M. Kort. A Further A Nalysis on Strategic Timing of Adoption of New Technologies under Uneertainty[R].Cenler Discussion Paper. Tilburg University. Tilburg ,The Netherlands, 1998.