Research

Research Interests

• Service operations management

• Queueing economics

• Healthcare policy and operations management issue

• Bayesian statistics and inventory management

• Supply chain management

Publications 

1.  Z. Luo, P. Guo and Y. Wang. 2023. Manage inventories with learning on demands and buy-up substitution probability. Manufacturing & Service Operations Management. 25(2), 563-580, 2023. 

2.  P. Guo, M. Haviv, Z. Luo and Y. Wang. 2023. Signaling service quality through queue disclosure. Manufacturing & Service Operations Management. 25(2) 543-562.

3.  Zhou, W., W. Huang, V. Hsu and P. Guo. 2023. On the benefit of privatization in a mixed duopoly service system. Management Science. 69(3):1486-1499.

4. Achim, C., P. Guo and R. Hassin. 2022. Shall firms withhold exact waiting time information from their customers? A transport example. Transportation Research Part B, 166 128-142.

5. F. Huang, P. Guo and Y. Wang. 2022. Optimal group testing strategy for the mass screening of SARS-CoV-2. Omega, October 2022, 102689. 

6. Lu, L., Z. Zhu, P. Guo and Q. He. 2022. Service operations for mixed autonomous paradigm: lane design and subsidy. Production and Operations Management, 31(4), 1595-1612. 

7. P. Guo, M. Haviv, Z. Luo, and Y. Wang. 2022. Optimal queue length information disclosure when service quality is uncertain. Production and Operations Management, 31(5) 1912-1927. 

8. Huang, F., P. Guo and Y. Wang. 2022. Modelling patients’ illness perception and equilibrium analysis of their doctor-shopping behavior. Production and Operations Management, 31(3), 1216-1234, 2022.

9. Ma, X. Zhao and P. Guo. 2022. Cope with the COVID-19 pandemic: Dynamic bed allocation and patient subsidization in a public healthcare system. International Journal of Production Economics, 243, January 2022, 108320. 

10. Zhou, W., D. Wang, W. Huang and P. Guo. 2021. To pool or not to pool? The effect of loss aversion on queue configurations. Production and Operations Management, 30(11), 4258-4272. 

11. Tang, Y., P. Guo, C. Tang, and Y. Wang. 2021. Gender-related operational issues arising from on-demand ride-hailing platforms: safety concerns and system configuration. Production and Operations Management, 30(10), 3481-3496.

12.  Wang, Y., B. Niu, P. Guo and J. Song. 2021. Direct sourcing or agent sourcing? contract negotiation in procurement outsourcing. Manufacturing & Service Operations Management, 23(2), 294–310.

13. Li, X., Q. Li and P. Guo. 2021. Time-based or fixed-fee? How to penalize cancellation of orders of car-hailing applications.  International Journal of Production Economics, 232, February 2021.

14. Huang, W., W. Zhou, P. Guo and H. Zhu. 2021. Service segment competition: size or value, which matters? International Journal of Production Research, 59 (4), 1281-1299.

15. Li, Q., P. Guo and Y. Wang. 2020. Equilibrium analysis of unobservable M/M/n priority queues with balking and homogeneous customers. Operations Research Letters, 48(5), 674-681.

16. Guo, P., F. Liu and Y. Wang. 2020. Pre-positioning and deployment of reserved inventories in a supply network: structural properties. Production and Operations Management, 29(4), 893-906. 

17.  Huang, F., P. Guo and Y. Wang. 2019. Cyclic pricing when customers queue with rating information. Production and Operations Management, 28, 2471-2485. 

18. Guo, P., C. Tang, Y. Wang and M. Zhao. 2019. The Impact of Reimbursement Policy on Social Welfare, Revisit Rate and Waiting Time in a Public Healthcare System: Fee-for-Service vs. Bundled Payment. Manufacturing & Service Operations Management, 21(1):154-170. 

19. Tang, Y., P. Guo and Y. Wang. 2018. Equilibrium queueing strategies of two types of customers in a two-server queue. Operations Research Letters, 46 (2018) 99-102. 

20. Yang, L., P. Guo and Y. Wang. 2018. Service pricing with loss-averse customers. Operations Research, 66(3) 761-777.

21. Li, X., P. Guo and Z. Lian. 2017. Pricing and capacity decisions of service systems with boundedly rational customers. Naval Research Logistics, 64 437-452.

22. Li, X., Q. Li, P. Guo and Z. Lian. 2017. On the uniqueness and stability of equilibrium in quality-speed competition with boundedly-rational customers: the case with general reward function and multiple servers. International Journal of Production Economics, 193 (2017) 726-736.

23. Qian, A., P. Guo and R. Lindsey. 2017. Comparison of subsidy schemes for reducing waiting times in health care systems. Production and Operations Management, 26(11) 2033-2049. 

24. Li, X., P. Guo and Z. Lian. 2016. Quality-speed competition in customer-intensive services with boundedly rational customers. Production and Operations Management, 25 (11) 1885-1901.

25. Q. Li, P. Guo, C. Li and J. Song. 2016. Equilibrium joining strategy and optimal control of a make-to-stock queue. Production and Operations Management, 25 (9) 1513-1527.

26. X. Xu, X. Li, Z. Lian and P. Guo. 2016. A hotelling queue model with probabilistic service. Operations Research Letters, 44, 592-597.

27. Bensoussan, A., and P. Guo. 2015. Managing nonperishable inventories with learning about demand arrival rate through stockout times. Operations Research, 63, 602-609. 

28. Niu, B., Y. Wang and P. Guo. 2015. Equilibrium pricing sequence in a co-opetitive supply chain with the ODM as a downstream rival of its OEM. Omega, 57, 249-270. 

29. Guo, P. and R. Hassin. 2015. Equilibrium strategies for placing duplicate orders in a single server queue. Operations Research Letters, 43, 343-348.

30. Guo, P., R. Lindsey and G. Zhang. 2014. On the Downs-Thomson paradox in a self-financing two-tier queuing system. Manufacturing & Service Operations Management, 16, 315-322.

31. Wang ,Y., B. Niu and P. Guo. 2014. The comparison of two vertical outsourcing structures under push and pull contracts. Production and Operations Management, 23, 610-625.

32. Guo, P., M. Leng and Y. Wang. 2013. A fair staff allocation rule for the capacity pooling of multiple call centers. Operations Research Letters, 41, 490-493.

33. Guo, P. and G. Zhang. 2013. Strategic queueing behavior and its impact on system performance in service systems with the congestion-based staffing policy. Manufacturing & Service Operations Management, 15, 118-134.

34. Wang, Y., B. Niu and P. Guo. 2013. On the advantage of quantity leadership when outsourcing production to a competitive contract manufacturer. Production and Operations Management, 22, 104-119. 

35. Guo, P. and R. Hassin. 2013. On the advantage of leadership in service pricing competition. Operations Research Letters, 41, 397-402.

36. Guo, P. and Q. Li. 2013. Strategic behavior and social optimization in partially-observable Markovian vacation queues. Operations Research Letters, 41, 277-284. 

37. Guo, P. and R. Hassin. 2012. Strategic behavior and social optimization in Markovian vacation queues: The case of heterogeneous customers. European Journal of Operational Research, 222, 278-286.

38. Guo, P. and R. Hassin. 2011. Strategic behavior and social optimization in Markovian vacation queues. Operations Research, 59, 986-997. 

39. Guo, P., W. Sun and Y. Wang. 2011. Equilibrium and optimal strategies to join a queue with partial information on service times. European Journal of Operational Research, 214, 284-297. 

40. Guo, P., Z. Lian and Y. Wang. 2011. Pricing perishable products with compound Poisson demands. Probability in the Engineering and Informational Sciences, 25, 289-306. 

41. Guo, P., J. Song and Y. Wang. 2010. Outsourcing structure and information flow in a three-tier supply chain. International Journal of Production Economics, 128, 175-187. 

42. Guo, P., J. Liu, Y. Wang. 2009. Intertemporal service pricing with strategic customers. Operations Research Letters, 37, 420-424.

43. Guo, P. and P. Zipkin. 2009. The impacts of customers?delay-risk sensitivities on a queue with balking. Probability in the Engineering and Informational Sciences, 23, 409-432. 

44. Guo, P. and P. Zipkin. 2009. The effects of the availability of waiting-time information on a balking queue. European Journal of Operational Research, 198, 199-209. 

45. Guo, P. and P. Zipkin. 2008. The effects of information on a queue with balking and phase-type service times. Naval Research Logistics, 55, 406-411. 

46. Guo, P. and P. Zipkin. 2007. Analysis and comparison of queues with different levels of delay information. Management Science, 53, 962-970 

External Research Grants 

• Principal Investigator: General Research Fund, Research Grants Council, Hong Kong, Project Title:Optimal Control of Antibiotic Usage: Managing Patients' Expectation and Doctors' Prescribing Behavior. 

• Principle Investigator: General Research Fund, Research Grants Council, Hong Kong, Project Title: Study of Signalling Game in Queueing Systems 

• Principle Investigator: General Research Fund, Research Grants Council, Hong Kong, Project Title: Joint Inventory and Markdown Management for Perishable Products with Censored Demand Data. 

• Principle Investigator: General Research Fund, Research Grants Council, Hong Kong, Project Title: Study on Doctor-Shopping Behavior among Patients and Methods to Reduce This Problem. 

• Principle Investigator: General Research Fund, Research Grants Council, Hong Kong, Project Title: Opportunities, Challenges, and Regulation of Car- Hailing Apps Operated by Didi Kuaidi and Uber. 

• Principle Investigator: General Research Fund, Research Grants Council, Hong Kong, Project Title: A Study of Congestion Measurement in Health Care Systems: Why Patients’ Waiting Time is not a Good Indicator? 

• Principle Investigator: General Research Fund, Research Grants Council, Hong Kong, Project Title: A Study of Two Health Care Subsidy Schemes: Unconditional Partial Subsidy versus Full Subsidy with Waiting Time Requirement. 

• Principle Investigator: General Research Fund, Research Grants Council, Hong Kong, Project Title: A Comparison Study between a Free Public Health Care System and a Two-Tier Health Care System. 

• Principle Investigator: General Research Fund, Research Grants Council, Hong Kong, Project Title: Procurement Outsourcing: Price Negotiation and Quantity Commitment in a Three-Tier Supply Chain.