世上真的有”免费午餐”吗？一些网购平台容许消费者撰写评论时，以自愿性质披露产品是否由商家免费送赠或提供折扣。这些免费标签评论占比不高，但后续引发的连锁效应，却能促进一些评论匮乏的网上社群活跃起来。当免费标签评论不够客观时，会激发在线社群的自我调整机制，促使更多用户发表更充分、公正的评论。相比于聘请专家撰写评论，自愿披露政策能以较低成本有效提升评论社区的活力。
17 Oct 2024
Academic & Professional Qualification
- PhD in Operations Research, Columbia University
Biography
Xiao Lei is an assistant professor at HKU Business School. He received his doctoral degree in Operations Research at Columbia University. His research interests include online marketplaces, revenue management and pricing, and social operations management. His work has been awarded INFORMS Service Science Best Student Paper Award and CSAMSE Best Paper Award. In the summer of 2020, he worked as a data science intern at Activision Blizzard.
Research Interest
- Online marketplaces
- Revenue management and pricing
- Social operations management
Selected Publications
- Cohen, Maxime C., Adam N. Elmachtoub, and Xiao Lei. “Price discrimination with fairness constraints.” Management Science (2022).
- Chen, Ningyuan, Adam N. Elmachtoub, Michael L. Hamilton, and Xiao Lei. “Loot box pricing and design.” Management Science 67, no. 8 (2021): 4809-4825.
Awards and Honours
- Finalist, Chinese Scholars Association for Management Science and Engineering (CSAMSE) Best Paper Award, 2021
- First Place, IBM Best Student Paper Award (INFORMS Service Science), 2019
Recent Publications
17Oct
17Oct
世上真的有”免费午餐”吗？一些网购平台容许消费者撰写评论时，以自愿性质披露产品是否由商家免费送赠或提供折扣。这些免费标签评论占比不高，但后续引发的连锁效应，却能促进一些评论匮乏的网上社群活跃起来。当免费标签评论不够客观时，会激发在线社群的自我调整机制，促使更多用户发表更充分、公正的评论。相比于聘请专家撰写评论，自愿披露政策能以较低成本有效提升评论社区的活力。
17 Oct 2024
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