A method of integrating correlation structures for a generalized recursive route choice model

Tien Mai

Transportation Research Part B: Methodological, 2016, vol. 93, issue PA, 146-161

Abstract: We propose a way to estimate a generalized recursive route choice model. The model generalizes other existing recursive models in the literature, i.e., (Fosgerau et al., 2013b; Mai et al., 2015c), while being more flexible since it allows the choice at each stage to be any member of the network multivariate extreme value (network MEV) model (Daly and Bierlaire, 2006). The estimation of the generalized model requires defining a contraction mapping and performing contraction iterations to solve the Bellman’s equation. Given the fact that the contraction mapping is defined based on the choice probability generating functions (CPGF) (Fosgerau et al., 2013b) generated by the network MEV models, and these CPGFs are complicated, the generalized model becomes difficult to estimate. We deal with this challenge by proposing a novel method where the network of correlation structures and the structure parameters given by the network MEV models are integrated into the transport network. The approach allows to simplify the contraction mapping and to make the estimation practical on real data.

Keywords: Recursive network MEV; Contraction mapping; Integrated network; Recursive cross-nested; Value iteration; Maximum likelihood estimation; Cross-validation (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (19)

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DOI: 10.1016/j.trb.2016.07.016

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