Publications:
- Zhi Chen, Long Zhao. Combining Forecasts from Multiple Experts for Multiple Variables
Accepted by Management Science
- Guowei Zhang, Ning Jia, Ning Zhu, Long Zhao, Qiao-Chu He. Hybrid fleet management and vehicle repositioning in mobility-as-a-service operations
Accepted by POM
- Wanshu Nie, Sujay V. Kumar, Long Zhao. Anthropogenic Influences on the Water Cycle Amplify Uncertainty in Drought Assessments
One Earth, 2025
- Li Chen, Melvyn Sim, Xun Zhang, Long Zhao, Minglong Zhou. Robust Actionable Prescriptive Analytics
Operations Research, 2025
- Wanshu Nie, Sujay V. Kumar, Augusto Getirana, Long Zhao, Melissa L. Wrzesien, Goutam Konapala, Shahryar Khalique Ahmad, Kim A.Locke, Thomas R. Holmes, Matthew Rodell, Bryant D. Loomis. Nonstationarity in the global terrestrial water cycle and its interlinkages in the Anthropocene
PNAS, 2024.
- Long Zhao, Deepayan Chakrabarti, Kumar Muthuraman. Portfolio Construction by Mitigating Error Amplification: The Bounded-Noise Portfolio
Operations Research, 2019.
Finalist in INFORMS Finance Section Best Student Paper Competition 2017.
Working Papers:
- Zhi Chen, Qingyin Ge, Xiaochuan Pang, Long Zhao. Why Can Pooled Forecast Aggregation with Many Parameters Substantially Outperform Simple Averaging under Limited Data?
Submitted to Management Science. Best paper of my research career.
- Xiaochuan Pang, Zhi Chen, Guowei Zhang, Long Zhao. Comparison of the Linear Opinion Pool and Stacking.
Major Revision from Operations Research.
- Guowei Zhang, Long He, Long Zhao, Ning Zhu. Data-Driven Distributional Robust Optimization with Incomplete Samples
Reject and Resubmit by Operations Research.
- Melvyn Sim, Long Zhao, Minglong Zhou. A New Perspective on Supervised Learning via Robust Satisficing
Working paper.
- Zhi Chen, Long Zhao. Constructing Quantiles via Forecast Errors: Theory and Empirical Evidence
Working Paper
- Long Zhao, Deepayan Chakrabarti, Kumar Muthuraman. Unified Classical and Robust Optimization for Least Squares
Finalist in INFORMS Data Mining Best Paper Competition.
- Long Zhao, Rui Gao. Leveraging Latent Factors Using the Equally Weighted Portfolio
Working Paper
Google Scholar