世上真的有「免費午餐」嗎？一些網購平台容許消費者撰寫評論時，以自願性質披露產品是否由商家免費送贈或提供折扣。這些免費標籤評論佔比不高，但後續引發的連鎖效應，卻能促進一些評論匱乏的網上社群活躍起來。當免費標籤評論不夠客觀時，會激發線上社群的自我調整機制，促使更多用戶發表更充分、公正的評論。相比於聘請專家撰寫評論，自願披露政策能以較低成本有效提升評論社區的活力。
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「免費午餐」嗎？一些網購平台容許消費者撰寫評論時，以自願性質披露產品是否由商家免費送贈或提供折扣。這些免費標籤評論佔比不高，但後續引發的連鎖效應，卻能促進一些評論匱乏的網上社群活躍起來。當免費標籤評論不夠客觀時，會激發線上社群的自我調整機制，促使更多用戶發表更充分、公正的評論。相比於聘請專家撰寫評論，自願披露政策能以較低成本有效提升評論社區的活力。
17 Oct 2024
教學人員