Global Adapted Solution of One-Dimensional Backward Stochastic Riccati Equations, with Application to the Mean- Variance Hedging

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2000
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Tang, Shanjian
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CoFE-Diskussionspapiere / Zentrum für Finanzen und Ökonometrie; 2000/26
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Abstract
We obtain the global existence and uniqueness result for a one-dimensional back- ward stochastic Riccati equation, whose generator contains a quadratic term of L (the second unknown component). This solves the one-dimensional case of Bismut- Peng's problem which was initially proposed by Bismut (1978) in the Springer yellow book LNM 649. We use an approximation technique by constructing a sequence of monotone generators and then passing to the limit. We make full use of the special structure of the underlying Riccati equation. The singular case is also discussed. Finally, the above results are applied to solve the mean-variance hedging problem with stochastic market conditions.
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510 Mathematics
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backward stochastic Ricatti equation,stochastic linear-quadratic control problem,approximation,mean-variance hedging,Feynmann-Kac formula
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ISO 690KOHLMANN, Michael, Shanjian TANG, 2000. Global Adapted Solution of One-Dimensional Backward Stochastic Riccati Equations, with Application to the Mean- Variance Hedging
BibTex
@techreport{Kohlmann2000Globa-750,
  year={2000},
  series={CoFE-Diskussionspapiere / Zentrum für Finanzen und Ökonometrie},
  title={Global Adapted Solution of One-Dimensional Backward Stochastic Riccati Equations, with Application to the Mean- Variance Hedging},
  number={2000/26},
  author={Kohlmann, Michael and Tang, Shanjian}
}
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