8 papers
Experimental Assortments for Choice Estimation and Nest Identification
Xintong Yu, Will Ma, Michael Zhao
What assortments (subsets of items) should be offered, to collect data for estimating a choice model over total items? We propose a structured, non-adaptive experiment design r…
LLM-SAA: LLM-persona Generated Distributions for Decision-making
Jackie Baek, Yunhan Chen, Ziyu Chi +1
LLMs can generate a wealth of data, ranging from simulated personas imitating human valuations and preferences, to demand forecasts based on world knowledge. But how well do such L…
AI Agents for Inventory Control: Human-LLM-OR Complementarity
Jackie Baek, Yaopeng Fu, Will Ma +1
Inventory control is a fundamental operations problem in which ordering decisions are traditionally guided by theoretically grounded operations research (OR) algorithms. However, s…
Potential-Based Greedy Matching for Dynamic Delivery Pooling
Hongyao Ma, Will Ma, Matias Romero
We study the dynamic pooling of multiple orders into a single trip, a strategy widely adopted by online delivery platforms. When an order has to be dispatched, the platform must de…
Survey of Data-driven Newsvendor: Unified Analysis and Spectrum of Achievable Regrets
Zhuoxin Chen, Will Ma
In the Newsvendor problem, the goal is to guess the number that will be drawn from some distribution, with asymmetric consequences for guessing too high vs. too low. In the data-dr…
Personalized Promotions in Practice: Dynamic Allocation and Reference Effects
Jackie Baek, Will Ma, Dmitry Mitrofanov
Partnering with a large online retailer, we consider the problem of sending daily personalized promotions to a userbase of over 20 million customers. We propose an efficient policy…