In this paper we treat a gas storage valuation problem as a Markov Decision Process. As opposed to existing literature we model the gas price process as a regime-switching model. Such a model has shown to fit market d...
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In this paper we treat a gas storage valuation problem as a Markov Decision Process. As opposed to existing literature we model the gas price process as a regime-switching model. Such a model has shown to fit market data quite well in Chen and Forsyth (Quant Finance 10:159-176, 2010). Before we apply a numerical algorithm to solve the problem, we first identify the structure of the optimal injection and withdrawal policy. This part extends results in Secomandi (Manag Sci 56:449-467, 2010). Knowing the structure reduces the complexity of the involved recursion in the algorithms. We explain the usage and implementation of two algorithms: a multinomial-tree algorithm and a Least-Square Monte Carlo algorithm. Both algorithms are shown to work for the regime-switching extension. In a numerical study we compare these two algorithms.
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