Exploring Multiple‐discreteness in Freight Transport. A Multiple Discrete Extreme Value Model Application for Grain Consolidators in Argentina

Rodrigo J. Tapia*, Gerard de Jong, Ana M. Larranaga, Helena B. Bettella Cybis

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

There are some examples where freight choices may be of a multiple discrete nature, especially the ones at more tactical levels of planning. Nevertheless, this has not been investigated in the literature, although several discrete-continuous models for mode/vehicle type and shipment size choice have been developed in freight transport. In this work, we propose that the decision of port and mode of the grain consolidators in Argentina is of a discrete-continuous nature, where they can choose more than one alternative and how much of their production to send by each mode. The Multiple Discrete Extreme Value Model (MDCEV) framework was applied to a stated preference data set with a response variable that allowed this multiple-discreteness. To our knowledge, this is the only application of the MDCEV in regional freight context. Free alongside ship price, freight transport cost, lead-time and travel time were included in the utility function and observed and random heterogeneity was captured by the interaction with the consolidator’s characteristics and random coefficients. In addition, different discrete choice models were used to compare the forecasting performance, willingness to pay measures and structure of the utility function against.

Original languageEnglish
Pages (from-to)581-608
Number of pages28
JournalNetworks and Spatial Economics
Volume21
Issue number3
DOIs
Publication statusPublished - 2021

Keywords

  • Freight modelling
  • Multiple Discrete Extreme Value Model
  • Willingness to pay

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