Rethinking Incentives in Recommender Systems: Are Monotone Rewards Always Beneficial? - Yao, Fan; Li, Chuanhao; Sankararaman, Karthik Abinav; Liao, Yiming; Zhu, Yan; Wang, Qifan; Wang, Hongning; Xu, Haifeng (Advances in Neural Information Processing Systems, 2023)