This article discusses a class of risk-sensitive portfolio optimisation problem in the finite horizon. Our market consists of stocks and a saving account with the underlying spot interest rate being governed by an stochastic differential equation (SDE). We prove the existence of optimal investment strategies and also obtain an explicit form for optimal strategies.
Benes, V.E. (1970), ‘ Existence of Optimal Strategies Based on a Specified Information in a Class of Stochastic Decision Problems ’, SIAM Journal on Control and Optimization, 8 (2): 179–88 .
Bielecki, T.R. and S.R. Pliska (2004), ‘ A Risk-Sensitive Intertemporal CAPM, with Application to Fixed Income Management ’, IEEE Transactions on Automatic Control, 49 (3): 420–32 .
4.
Borkar, V.S. (1989), Optimal Control of Diffusion Processes, Pitman Res. Notes in Mathematics Series, 203, Congman Scientific and Technical, New York .
5.
Fleming, W.H. (1995), Optimal Investment Models and Risk-Sensitive Stochastic Control, IMA Vols. in Math. Appl. no 65, 75–88. New York: Springer-Verlag .
6.
Fleming, W.H. and H. Mete Soner (1993), Controlled Markov Porcesses and Viscosity Solutions. New York: Springer-Verlag .
7.
Fleming, W.H. and S.J. Sheu (2002), Risk-Sensitive Control and an Optimal Investment Model (II) ’, Annals of Appled Probability, 12 (2): 730–67 .
8.
Ho, T.S.Y. and S.B. Lee (1986), ‘ Term Structure Movements and Pricing Interest Contingent Claims ’, Journal of Finance, 41 (5): 1011–29 .
9.
Karatzas, I. and S.E. Shreve (1998), Brownian Motion and Stochastic Calculus. New York: Springer-Verlag .
10.
Kluppelberg, C. and R. Korn (1998), Optimal Portfolios with Bounded Value at Risk, in Berichte Zur Stochastik und Verwandten Gebieten. Johannes Gutenberg-Universitat Mainz .
11.
Korn, R. and H. Kraft (2001), ‘ A Stochastic Control Approach to Portfolio Problems with Stochastic Interest Rates ’, SIAM Journal on Control and Optimization, 40 (4): 1250–69 .
12.
Krylov, N.V. (1991), Lectures on Elliptic and Parabolic Equations in Hölder Spaces. AMS .
13.
Ladyzenskaya, O.A. , V.A. Solonikov and N.N. Uralceva (1968), Linear and Quasi-Linear Equations of Parabolic Type, AMS Translations of Math. Monographs, Providence, RI .
Merton, R.C. (1969), ‘ Life Time Portfolio Selection under Uncertainty: The Continuous Case ’, The Review of Economics and Statistics, 51: 247–57 .
16.
Merton, R.C. (1971), ‘ Optimal Consumption and Portfolio Rules in a Continuous-Time Model ’, Journal of Economic Theory, 3 (4): 373–413 .
17.
Merton, R.C. (1973), ‘ An Intertemporal Capital Asset Pricing Model ’, Econometrica, 41 (5): 866–87 .
18.
Nagai, H. (2003), ‘ Optimal Strategies for Risk-Sensitive Portfolio Optimization Problems for General Factor Models ’, SIAM Journal on Control and Optimization, 41 (6): 1779–1800 .
19.
Sorensen, C. (1999), ‘ Dynamic Asset Allocation and Fixed Income Management ’, Journal of Financial and Quantitative Analysis, 34 (4): 513–31 .
20.
Stroock, D.W. and S.R.S. Varadhan (1979), Multidimensional Diffusion Process. New York: Springer-Verlag .
21.
Vasicek, O.A. (1977), ‘ An Equilibrium Characterisation of the Term Structure ’, Journal of Financial Economics, 5 (2): 177–88 .
22.
Whittle, P. (1990), Risk-Sensitive Optimal Control. New York: John Wiley .