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stat.ML2026
Poisson-MNL Bandit: Nearly Optimal Dynamic Joint Assortment and Pricing with Decision-Dependent Customer Arrivals
Junhui Cai, Ran Chen, Qitao Huang +2
We study dynamic joint assortment and pricing where a seller updates decisions at regular accounting/operating intervals to maximize the cumulative per-period revenue over a horizo…
stat.ML2026
BFTS: Thompson Sampling with Bayesian Additive Regression Trees
Ruizhe Deng, Bibhas Chakraborty, Ran Chen +1
Contextual bandits are a core technology for personalized mobile health interventions, where decision-making requires adapting to complex, non-linear user behaviors. While Thompson…
stat.ML2023
Doubly High-Dimensional Contextual Bandits: An Interpretable Model for Joint Assortment-Pricing
Junhui Cai, Ran Chen, Martin J. Wainwright +1
Key challenges in running a retail business include how to select products to present to consumers (the assortment problem), and how to price products (the pricing problem) to maxi…