Research

Research Interests

• Stochastic and Robust Optimization

• Data-driven Decision Making

• Revenue Management and Pricing Analytics

• Discrete Choice Modeling

• Sustainable Operations

Journal Publications

1. Partition and Prosper: Design and Pricing of Single Bundle
   Hailong Sun, Xiaobo Li and Chung-Piaw Teo
   Operations Research, 2025.
   

2. Convex Optimization for Bundle Size Pricing Problem
   Xiaobo Li, Hailong Sun and Chung-Piaw Teo
   Management Science, 2022.
   Preliminary version: Proceedings of the 21st ACM Conference on Economics and Computation (EC), July 2020.
   

Working Papers

1. Balancing Cost and Service: Charging Rate Optimization for EV Battery Swapping
   Bo Feng, Hailong Sun
   Accepted, Manufacturing & Service Operations Management, 2026.

2. Supply-Chain Disruptions: Penalty for Starting a Cascade, or Reward for Stopping One?
   Hailong Sun, Chung-Piaw Teo
   Under review, 2026
   

3. Multi-Product Pricing under Rational Inattention: Evidence, Estimation, and Field Deployment from Airline Ancillaries
   Xiao Jin, Junjie Ren, Hailong Sun, Changchun Liu, and Chung-Piaw Teo
   Under review, 2026
   

4. Learning Correlated Preferences via Inverse Optimization: Applications to Bundle Pricing
   Hailong Sun
   Under review, 2026.

5. Pricing Analytics for Ancillary Products: Learning from Conversion Data to Optimize Revenue
   Changchun Liu, Hailong Sun, Chung-Piaw Teo, and Xiao Jin
   Major Revision, Operations Research, 2024.

6. When Barcodes Fail: Enhancing Product Recognition in Charitable Operations
   Peng Liu, Mabel C. Chou, Hailong Sun, and Chung-Piaw Teo
   Working paper, 2025.

Conference Papers

1. Generalizing Bayesian Human-AI Collaboration: Theory and Application in Data-Scarce Environments
   Peng Liu, Hailong Sun, Chung-Piaw Teo, and Mabel Chou
   35th International Joint Conference on Artificial Intelligence (IJCAI), 2026.
   

2. Convex Optimization for Bundle Size Pricing Problem
   Xiaobo Li, Hailong Sun and Chung-Piaw Teo
   21st ACM Conference on Economics and Computation (EC), 2020.
   (accpeted as full paper; appeared as extended abstract)