Estimation of the arrival time of deliveries by occasional drivers in a crowd-shipping setting

Shohre Zehtabian, Christian Larsen, Sanne Wøhlk

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Abstract

The success of e-commerce business offering same-day delivery depends on customer satisfaction. To speed up deliveries and lower costs, some companies have been using private individuals as non-dedicated drivers to perform pickup and delivery tasks for online customers. Such delivery systems are known as crowd-shipping. Customers have come to expect an accurate estimate for the delivery times of their online orders. The coordination of online deliveries with private individuals is done by a crowd-shipping platform. In this paper, we focus on the estimation of pickup and delivery times. This is a challenging job because not only are the requests unknown and submitted dynamically, but so is the pool of drivers, i.e. delivery capacity. We model the problem as a Markov decision process and integrate it into a simulation study. To improve the estimates that can be done by a naive policy, we propose two policies that use lookahead: one with a fixed lookahead horizon and one with a dynamic. Our numerical experiments demonstrate that a lookahead policy with dynamically adjusted horizon outperforms the other two policies in terms of estimation accuracy, which is up to 19% higher in some instances.
Original languageEnglish
JournalEuropean Journal of Operational Research
Volume303
Issue2
Pages (from-to)616-632
Number of pages17
ISSN0377-2217
DOIs
Publication statusPublished - 1 Dec 2022

Keywords

  • Transportation
  • Crowd-shipping
  • Lookahead policy
  • Simulation

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