Liquidation of an indivisible asset with independent investment
We provide an extension of the explicit solution of a mixed optimal stopping-optimal stochastic control problem introduced by Henderson and Hobson. The problem examines wether the optimal investment problem on a local martingale financial market is affected by the optimal liquidation of an independe...
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| creator | Fabre, Emilie Royer, Guillaume Touzi, Nizar |
| description | We provide an extension of the explicit solution of a mixed optimal stopping-optimal stochastic control problem introduced by Henderson and Hobson. The problem examines wether the optimal investment problem on a local martingale financial market is affected by the optimal liquidation of an independent indivisible asset. The indivisible asset process is defined by a homogeneous scalar stochastic differential equation, and the investor's preferences are defined by a general expected utility function. The value function is obtained in explicit form, and we prove the existence of an optimal stopping-investment strategy characterized as the limit of an explicit maximizing strategy. Our approach is based on the standard dynamic programming approach. |
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The problem examines wether the optimal investment problem on a local martingale financial market is affected by the optimal liquidation of an independent indivisible asset. The indivisible asset process is defined by a homogeneous scalar stochastic differential equation, and the investor's preferences are defined by a general expected utility function. The value function is obtained in explicit form, and we prove the existence of an optimal stopping-investment strategy characterized as the limit of an explicit maximizing strategy. 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| subjects | Differential equations Dynamic programming Economic models Expected utility Investment policy Investment strategy Martingales Optimal control Optimization Stochastic processes |
| title | Liquidation of an indivisible asset with independent investment |
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