Optimal policies and heuristics to match supply with demand for online retailing
时间：2025年3月25日（周二）上午 10：00 – 11：30
地点：管理学院 A823会议室
主讲人：林云峰 教授，新加坡管理大学
主持人：王明征 教授，米兰体育（MLsports）
概要:
We consider an online retailer selling multiple products to different zones over a finite horizon with multiple periods. The objective is to maximize the retailer’s expected profit over the finite horizon. For the single-zone case, we show that the multi-period problem is equivalent to a single-period problem and the optimal retrieval decisions follow a greedy policy that retrieves products from the lowest-cost warehouse. We design a non-greedy algorithm to find the optimal storage policy. We also analytically characterize the optimal ordering policy. The multi-zone case is unfortunately intractable analytically and we propose an efficient heuristic to solve it, which involves a non-trivial hybrid of three approximations. This hybrid heuristic outperforms two conventional benchmarks by up to 22.5% and 3.5% in our numerical experiments with various horizon lengths, fulfillment frequencies, warehouse capacities, demand variations, and demand correlations.
嘉宾简介：
Yun Fong LIM is a full Professor of Operations Management at the Lee Kong Chian School of Business, Singapore Management University (SMU). He has been a Chang Jiang Chair Professor, Lee Kong Chian Fellow, MPA Research Fellow, and NOL Fellow. Yun Fong’s research has appeared in Operations Research, Management Science, Manufacturing and Service Operations Management, and Production and Operations Management. He has delivered keynote and plenary speeches in several international conferences. In addition, his work has received funding by MOE, A*STAR, RGC-HK, and NNSF, and media coverage by Financial Times, The Business Times, CNA938, and Channel 8. His current research interests include online retailing (supply chains and fulfillment), online platforms (business model innovations), sustainable urban systems, and flexible workforce and resource management. Yun Fong serves as Senior Editor for POM and Associate Editor for NRL. At SMU, Yun Fong founded the OM PhD Program. He also served as Academic Director of the Master of Science in Management (MiM) Program in 2020-2023 and played an instrumental role in elevating the program from 83rd to 41st worldwide in the Financial Times Rankings. He has provided consulting service and executive development to corporations such as Alibaba, Maersk, McMaster-Carr Company, Resorts World Sentosa, Schneider Electrics, Temasek Holdings, and Zalora. Yun Fong obtained both his PhD and MSc degrees in Industrial and Systems Engineering from the Georgia Institute of Technology.
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