Impact of Emergency Department Waiting Time Announcements on Patient Behavior
Co-I, Hong Kong RGC General Research Fund 17502320, 2020–2022
Posts by Collection
portfolio
Optimal ICU Bed Allocation with Patient Health Evolution and Readmission
PI, Hong Kong RGC Early Career Scheme 27501020, 2021–2023
Hong Kong RECAP: A Systematic Response Strategy for Novel Infectious Disease Pandemic
Co-PI, Hong Kong RGC Collaborative Research Fund C7162-20GF, 2021–2023
Investigation of Time-dependent Physician Productivity and Application in Emergency Department Waiting Time Management
PI, Hong Kong RGC General Research Fund 17501022, 2023–2025
Smart Healthcare – Accessibility, Quality and Affordability
Co-PI, HKU Shenzhen Research Institutes Theme-based Research Fund, 2023–2027
Efficient Resource Allocation Strategies for Urban Search and Rescue Operations: A Holistic Modeling and Analysis Framework
PI, Hong Kong RGC General Research Fund 17504424, 2025–2027
Decision-Making Under Uncertainty: A Framework for Intensive Care Unit Admission Control with Predictive Information
PI, Hong Kong RGC General Research Fund 17501925, 2026–2028
publications
Prioritization in Service Systems with Nonlinear Delay Costs
Published in PhD thesis, University of North Carolina at Chapel Hill, 2016
PhD thesis on prioritization in service systems with nonlinear delay costs.
Simulation-based Predictive Analytics for Dynamic Queueing Systems
Published in 2017 Winter Simulation Conference (WSC), 1716–1727, 2017
Dynamic prediction of congestion in queueing systems using simulation.
Allocation of Intensive Care Unit Beds in Periods of High Demand
Published in Operations Research 68 (2), 591–608, 2020
ICU bed-allocation policies to minimize mortality when demand exceeds capacity.
Scheduling of Physicians with Time-Varying Productivity Levels in Emergency Departments
Published in Production and Operations Management 31 (2), 645–667, 2021
Physician scheduling in EDs with time-varying productivity levels.
The Impact of Emergency Department Crowding on Admission Decisions and Patient Outcomes
Published in American Journal of Emergency Medicine 51, 163–168, 2022
Effect of ED crowding on admission decisions and patient outcomes.
Assigning Priorities (or Not) in Service Systems with Nonlinear Waiting Costs
Published in Management Science 68 (2), 1233–1255, 2022
Priority assignment in service systems with nonlinear waiting costs.
Exact Algorithm and Machine Learning-Based Heuristic for the Stochastic Lot Streaming and Scheduling Problem
Published in IISE Transactions 57 (4), 408–422, 2023
Exact and machine-learning-based algorithms for stochastic lot streaming and scheduling.
Physician Scheduling in Case Managers Style Emergency Departments: Machine Learning-Aided Solution Approaches
Published in European Journal of Operational Research 327 (1), 326–339, 2025
Machine learning-aided physician scheduling in case-manager-style EDs.
Service-Level Computation in Time-Varying Queueing System with Priorities: Application to Physician Staffing in the Emergency Department
Published in IISE Transactions 57 (5), 556–572, 2025
Service-level computation for time-varying priority queueing systems and ED staffing.
Patient Sensitivity to Emergency Department Waiting Time Announcements
Published in Manufacturing & Service Operations Management 27 (6), 1740–1759, 2025
How ED delay announcements affect patient choice and flow in Hong Kong public hospitals.
Impact of Announced Wait Time Information on Emergency Department Overcrowding Mitigation: A Simulation Study
Published in Journal of the American Medical Informatics Association 33 (6), 1112–1120, 2026
How announced wait time information affects ED overcrowding: a simulation study.
Time-Varying Physician Productivity and Implications for Emergency Department Modeling and Staffing
Published in Manufacturing & Service Operations Management (forthcoming), 2026
Time-varying physician productivity and ED staffing.
talks
teaching
IIMT3636 Decision and Risk Analysis
Undergraduate course, HKU Business School, 2017–2021
Quantitative methods for analyzing business decisions under uncertainty.
MSBA7015 Business Simulation
TPG course, HKU Business School, 2017–2021
Hands-on introduction to simulation modeling for business decision making using @Risk and Simio.
PMBA6101 Operations Analytics
MBA course, HKU Business School, 2022/2023 Spring
Data-driven operations analytics for MBA students, focusing on process analysis and operational decision making.
IIMT3635 Operations Management
Undergraduate course, HKU Business School, 2026/2027 Semester 1
Introduction to operations management, covering process analysis, capacity planning, quality management, and supply-chain fundamentals.
MAIB7013 Smart Manufacturing and Operations Management
TPG course, HKU Business School, 2026/2027 Module 3
Smart manufacturing technologies and their implications for operations strategy, planning, and execution.
MSBA7004 Operations Analytics
TPG course, HKU Business School, 2026/2027 Module 2
Analytic techniques for operational decisions, including process analysis, capacity planning, and continuous improvement methods.
MSBA7015 Service Operations
TPG course, HKU Business School, 2026/2027 Module 5
Operations management in service industries, with emphasis on service-system design, capacity management, and customer flow.
working_papers
Beyond Crisis Management: Structural Reform for the Overcrowding in Hong Kong’s Emergency Departments
Working paper