Abstract
A consumption-investment problem is considered for a small investor in the case of a market model in which prices evolve according to a stochastic equation with a jump-process component. The techniques we use include the martingale representation theorem, Lagrange multiplier methods, and Markovian methods for the resolution of stochastic differential equations. We establish a Black-Scholes formula.
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References
K. K. Aase and B. Øksendal. Admissible investment strategies in continuous trading. Stochastic Process. Appl., 30 (1988), 291–301.
A. Bensoussan. Stochastic Control by Functional Analysis Methods. North-Holland, Amsterdam, 1982.
P. Brémaud. Point Processes and Queues. Springer-Verlag, New York, 1981.
J. Cox and S. Ross. The valuation of options for alternative stochastic processes. J. Financial Econ., January (1976), 145–166.
R. W. R. Darling. Convergence of martingales on manifolds. Ann. Inst. H. Poincaré, 21 (3) (1985), 157–175.
D. Duffie. Stochastic equilibria; existence, spanning number and the “no expected financial gain from trade” hypothesis. Econometrica, 54 (9) (1986), 1161–1183.
D. Duffie. An extension of the Black-Scholes model of security valuation. J. Econ. Theory, 46 (1) (1988), 194–204.
D. Duffie and C. H. Huang. Implementing Arrow-Debreu equilibria by continuous trading of few long-lived securities. Econometrica, 53 (6) (1985), 1337–1355.
A. Friedman. Stochastic Differential Equations and Applications, Vol. 1. Academic Press, New York, 1975.
L. I. Galtchouk. Représentation des martingales engendrées par un processus à accroissements indépendants. Ann. Inst. Poincaré. Sect. B, 12 (3) (1976), 199–211.
F. Gimbert and P. L. Lions. Existence and regularity results for solutions of second-order elliptic integro-differential operators. Ricerche Mat. XXXIII (2) (1984), 315–358.
J. M. Harrison and D. M. Kreps. Martingales and arbitrage in multiperiod securities markets. J. Econ. Theory, 20 (1979), 391–408.
J. M. Harrison and S. R. Pliska. Martingales and stochastic integrals in the theory of continuous trading. Stochastic Process. Appl., 11 (1981), 215–260.
N. Ikeda and S. Watanabe. Stochastic Differential Equations and Diffusion Processes. North-Holland, Amsterdam, 1981.
J. Jacod. Calcul Stochastique et Problèmes de Martingales. Lecture Notes in Mathematics, Vol. 714. Springer-Verlag, Berlin, 1979.
R. A. Jarrow and A. Rudd. Option Pircing. Irwin, 1983.
I. Karatzas. On the pricing of American options. Appl. Math. Optim., 17 (1988), 37–60.
I. Karatzas. Optimization problems in the theory of continuous trading. SIAM J. Control Optim., 27 (6) (1989), 1221–1259.
I. Karatzas, J. P. Lehoczky and S. E. Shreve. Optimal portfolio and consumption decisions for a “small investor” on a finite horizon. SIAM J. Control Optim., 25 (6) (1987), 1557–1586.
N. Y. Krylov. Controlled Diffusion Processes. Springer-Verlag, New York, 1980.
D. Lépingle and J. Mémin. Sur l'intégrabilité uniforme des martingales exponentielles. Z. Warsch. Verw. Geibte, 42 (1978), 175–203.
P. L. Lions. Generalized Solutions of Hamilton Jacobi Equations. Pitman, London, 1982.
R. C. Merton. Optimum consumption and portfolio rules in a continuous time model. J. Econ. Theory, 3 (1971), 373–413.
R. C. Merton. Option pricing when underlying stock returns are discontinuous. J. Financial Econ., 3 (1976), 125–144.
H. Pagès. Three Essays in Optimal Consumption. Thesis, MIT, 1989.
C. Stricker. Integral representation in the theory of continuous trading. Stochastics, 13 (1984), 249–265.
J. Szpirglas and G. Mazziotto. Modèle général de filtrage non linéaire et équations différentielles stochastiques associées. Ann. Inst. H. Poincaré, 15 (2) (1979), 147–173.
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Jeanblanc-Picqué, M., Pontier, M. Optimal portfolio for a small investor in a market model with discontinuous prices. Appl Math Optim 22, 287–310 (1990). https://doi.org/10.1007/BF01447332
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DOI: https://doi.org/10.1007/BF01447332