优化双方耦合市场的按需网约车服务

IF 8.3 1区 工程技术 Q1 ECONOMICS
Hui Wang , Yuanyuan Li , Yang Liu , Xiaowei Hu , Jian Wang
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引用次数: 0

摘要

本文研究了拼车服务和非拼车服务并存的拼车市场动态定价策略的最优设计。乘客可能会在拼车和非拼车之间切换,以最大化个人效用,从而导致需求转移。由于供需不平衡,乘客可能会对长时间的等待感到不耐烦,从而导致在耦合的网约车系统中违约。首先,我们分别建立了拼车和非拼车的动态会议模型,以表征时间匹配模式。同时,将乘客换乘产生的需求转移和乘客对等待时间不耐烦导致的违约率纳入动态会议模型。我们导出了出行费用和佣金率的条件,以确保耦合的网约车市场的存在。然后我们分析了动态定价策略对市场特征的影响,包括等待时间和市场需求。此外,本文还建立了马尔可夫决策过程模型来优化动态定价策略和相应的需求与供给的聚合匹配。最后,我们提出了近似策略优化(PPO)算法来求解所提出的MDP模型,并提出了一种使用前瞻算法来估计市场状态的迭代方法。我们的数值实验表明,与固定定价策略相比,最优动态定价策略应采用更高的行程票价和佣金率。我们还证明了动态定价策略在提高系统性能和匹配率方面的有效性。如果乘客对等待时间更有耐心,平台运营商可以提高拼车乘客的行程费用,以更好地管理需求,这有助于提高匹配率。同时,可以降低违约率和需求分流水平。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimizing on-demand ride-hailing services in two-sided coupled markets with impatient riders
This paper examines the optimal design of dynamic pricing strategies for a coupled ride-hailing market with the coexistence of ridesharing and non-ridesharing services. Riders may switch between ridesharing and non-ridesharing alternatives to maximize individual utility, which results in demand diversion. Due to the imbalance between demand and supply, riders may become impatient towards long waiting times, leading to reneging in the coupled ride-hailing systems. We first establish dynamic meeting models for ridesharing and non-ridesharing separately to characterize temporal matching patterns. Meantime, the demand diversion generated by rider switching and reneging rate resulting from rider impatience towards waiting times are integrated into the dynamic meeting models. We derive the conditions on trip fares and commission rates to ensure the existence of the coupled ride-hailing market. We then analyze the effects of the dynamic pricing strategy on the market characteristics, including waiting times and market demand. Moreover, we formulate a Markov Decision Process (MDP) model to optimize dynamic pricing strategies and the corresponding aggregated matching between demand and supply. Finally, we develop the Proximal Policy Optimization (PPO) algorithm to solve the proposed MDP model and an iteration method that uses a Lookahead algorithm to estimate the market state. Our numerical experiments reveal that higher trip fares and commission rates should be adopted under the optimal dynamic pricing strategy compared to the fixed pricing strategy. We also demonstrate the effectiveness of dynamic pricing strategy in improving system performance and matching rate. If riders are more patient with waiting times, the platform operator can improve the trip fares for ridesharing riders to better manage demand, which helps to enhance the matching rate. Meantime, both the reneging rate and the level of demand diversion can be decreased.
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来源期刊
CiteScore
16.20
自引率
16.00%
发文量
285
审稿时长
62 days
期刊介绍: Transportation Research Part E: Logistics and Transportation Review is a reputable journal that publishes high-quality articles covering a wide range of topics in the field of logistics and transportation research. The journal welcomes submissions on various subjects, including transport economics, transport infrastructure and investment appraisal, evaluation of public policies related to transportation, empirical and analytical studies of logistics management practices and performance, logistics and operations models, and logistics and supply chain management. Part E aims to provide informative and well-researched articles that contribute to the understanding and advancement of the field. The content of the journal is complementary to other prestigious journals in transportation research, such as Transportation Research Part A: Policy and Practice, Part B: Methodological, Part C: Emerging Technologies, Part D: Transport and Environment, and Part F: Traffic Psychology and Behaviour. Together, these journals form a comprehensive and cohesive reference for current research in transportation science.
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