Optimal exercise of swing contracts in energy markets: an integral constrained stochastic optimal control problem

M. Basei, A. Cesaroni and Tiziano Vargiolu

Papers from arXiv.org

Abstract: We characterize the value of swing contracts in continuous time as the unique viscosity solution of a Hamilton-Jacobi-Bellman equation with suitable boundary conditions. The case of contracts with penalties is straightforward, and in that case only a terminal condition is needed. Conversely, the case of contracts with strict constraints gives rise to a stochastic control problem with a nonstandard state constraint. We approach this problem by a penalty method: we consider a general constrained problem and approximate the value function with a sequence of value functions of appropriate unconstrained problems with a penalization term in the objective functional. Coming back to the case of swing contracts with strict constraints, we finally characterize the value function as the unique viscosity solution with polynomial growth of the Hamilton-Jacobi-Bellman equation subject to appropriate boundary conditions.

Date: 2013-07
New Economics Papers: this item is included in nep-ene
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Citations: View citations in EconPapers (5)

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