Arbeitspapier

Utility Maximization and Duality

In an arbitrage free incomplete market we consider the problem of maximizing terminal isoelastic utility. The relationship between the optimal portfolio, the optimal martingale measure in the dual problem and the optimal value function of the problem is described by an BSDE. For a totally unhedgeable price for instan- taneous risk, isoelastic utility of terminal wealth can be maximized using a portfolio consisting of the locally risk-free bond and a lo- cally efficient fund only. In a markovian market model we find a non-linear PDE for the logarithm of the value function. From the solution we can construct the optimal portfolio and the solution of the dual problem.

Language
Englisch

Bibliographic citation
Series: CoFE Discussion Paper ; No. 00/34

Classification
Wirtschaft
Subject
Erwartungsnutzen
Portfolio-Management
Hedging
Analysis
Stochastischer Prozess
Theorie

Event
Geistige Schöpfung
(who)
Leitner, Johannes
Event
Veröffentlichung
(who)
University of Konstanz, Center of Finance and Econometrics (CoFE)
(where)
Konstanz
(when)
2000

Handle
URN
urn:nbn:de:bsz:352-opus-6176
Last update
10.03.2025, 11:45 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Leitner, Johannes
  • University of Konstanz, Center of Finance and Econometrics (CoFE)

Time of origin

  • 2000

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