On the fair scheduling of truck drivers in delivery companies: balancing fairness and profit

Anwar Hamdan (), Sadeque Hamdan (), Mohammed Benbitour and Samah Jradi ()
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Anwar Hamdan: ESE - Emirates School Establishment
Sadeque Hamdan: Bangor University
Mohammed Benbitour: Métis Lab EM Normandie - EM Normandie - École de Management de Normandie = EM Normandie Business School
Samah Jradi: Métis Lab EM Normandie - EM Normandie - École de Management de Normandie = EM Normandie Business School

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Abstract: Fairness is crucial in transportation systems to ensure that all drivers are treated equally and have the same opportunities. Fair payment policies, equal access to work opportunities, and fair scheduling are some of the policies delivery companies implement to ensure fairness between drivers. In this paper, we study a fair scheduling mixed-integer programming problem where we consider a bi-objective function that aims to maximize profit and improve fairness between drivers by minimizing the maximum deviation from the average driving time. To solve this problem, we employ the weighted comprehensive criterion method and propose an iterative population-based heuristic. The results show that the relative gap between the heuristic and exact approach is acceptable. We also report the fairness price which is the relative difference between total profit with and without incorporating fairness. We find out that improving fairness between drivers does not always lead to a significant reduction in total profit. When the reduction in total profit is important, we recommend formulating the scheduling problem differently where instead of minimizing the maximum deviation from the average driving time, drivers are rewarded when their driving times are longer than the average. We explore incorporating the cost of rewarding these drivers in the objective function.

Keywords: Fairness; Transportation; Sustainability; Scheduling; Bi-objective optimization (search for similar items in EconPapers)
Date: 2024-03-07
Note: View the original document on HAL open archive server: https://hal.science/hal-04971841v1
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Published in Central European Journal of Operations Research, 2024, ⟨10.1007/s10100-023-00899-5⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-04971841

DOI: 10.1007/s10100-023-00899-5

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