Competing for Recommendations: The Strategic Impact of Personalized Product Recommendations in Online Marketplaces

The authors thank the senior editor, associate editor, and two anonymous reviewers for extremely constructive comments that have significantly improved this research. The authors also greatly benefited from conference participants of the 2021 DC IO day, the 31st POMS Annual Conference, the 2021 Marketing Science Conference, the 2021 Frontiers in Service Science Conference, Amazon Analytics and Media Management Seminar in 2021, and the 2022 Platform Strategy Research Symposium and seminar participants at Fudan University, University of Florida, University of Maryland, and University of Science and Technology of China. The authors especially thank Itay Fainmesser, David Godes, Liye Ma, Sherry Marcus, Yogesh Joshi, Xuelian Qin, Yue (Vivian) Qin, Woochoel Shin, Chutian Wang, and D. J. Wu for invaluable suggestions. Both authors contributed equally to this paper. B. Zhou holds concurrent appointments as an associate professor of marketing at the University of Maryland and as an Amazon visiting academic. This paper describes work performed at the University of Maryland and is not associated with Amazon.