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THE EXISTENCE OF THE RISK-EFFICIENT OPTIONS

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We prove the existence of the risk-efficient options proposed by Xu [7]. The proof is given by both indirect and direct ways. Schied [6] showed the existence of the optimal solution of equation (2.1). The one is to use the Schied's result. The other one is to find the sequences converging to the risk-efficient option.

Abstract

We prove the existence of the risk-efficient options proposed by Xu [7]. The proof is given by both indirect and direct ways. Schied [6] showed the existence of the optimal solution of equation (2.1). The one is to use the Schied's result. The other one is to find the sequences converging to the risk-efficient option.

참고문헌 (7)

  1. P. Artzner, "Coherent measures of risk", Mathe-matical Finance, 9, pp.203~223 (1999)
  2. F. Biagini, "Utility maximization in incomplete markets for unbounded processes", Finance and Stochastics, 9, pp.493~517 (1999)
  3. F. Delbaen, "Coherent risk measures on general probability spaces, Advances in finance and stochastics: Essays in honor of Dieter Sondermann", pp.1~37 (2002), Springer
  4. F. Delbaen, "A general version of the fundamental theorem of asset pricing", Mathematische Annalen, 300, pp.463~520 (1994)
  5. H. Follmer, "Stochastic Finance:An Introduction in Discrete Time" (2002), Springer-Verlag
  6. A. Schied, "On the Neyman-Pearson problem for law-invariant risk measures and robust utility functionals", Annals of Applied Probability, 14, pp.1398~1423 (2004)
  7. Mingxin Xu, "Risk measure pricing and hedging in incomplete markets", Annals of Fi-nance, 2, pp.51~71 (2006)

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