Department of Management Sciences | Staff List

Prof. GUO Pengfei (郭朋飛教授)

PhD - Business Administration (Duke University)
MSc - Management Science and Engineering (Shanghai Jiao Tong University)
BS - Information System (Xi’an Jiao Tong University)

Chair Professor of Supply Chain Management

Contact Information

E-mail:
Address:	7-237, Lau Ming Wai Academic Building City University of Hong Kong
Phone:	+852 34428672
Fax:	+852 34420189
penguo@cityu.edu.hk
Personal Web:
https://sites.google.com/view/pengfeiguo/home

Research Areas

Service Operations Management
Queueing Economics
Supply Chain and Inventory Management
Healthcare Policy and Operations Management

Professor Pengfei Guo is Chair Professor of Supply Chain Management of City University of Hong Kong. He received his PhD from Duke University, MS degree from Shanghai Jiao Tong University and BS degree from Xi’an Jiaotong University. Prior to joining CityU, he was a faculty member at the Department of Logistics and Maritime Studies, Faculty of Business, the Hong Kong Polytechnic University. His research work has been published in the leading academic journals such as Management Science, Operations Research, Manufacturing & Service Operations Management, Production and Operations Management, Naval Research Logistics, European Journal of Operational Research and others. Prof Guo has broad research interests, including service operations, queuing economics, healthcare management, and supply chain management. He is an Associate Editor of Manufacturing & Service Operations Management and a Senior Editor of Production and Operations Management.

Research Grant

PI: "Study of Signalling Game in Queueing Systems", GRF - Hong Kong Research Grants Council (RGC) , (2021-2023) , Pengfei Guo
PI: "Joint Inventory and Markdown Management for Perishable Products with Censored Demand Data", GRF - Hong Kong Research Grants Council (RGC) , (2019-2021) , Pengfei Guo
PI: "Study on Doctor-Shopping Behavior among Patients and Methods to Reduce This Problem", GRF - Hong Kong Research Grants Council (RGC) , (2018-2020) , Pengfei Guo
PI: "Opportunities, Challenges, and Regulation of Car- Hailing Apps Operated by Didi Kuaidi and Uber", GRF - Hong Kong Research Grants Council (RGC) , (2017-2019) , Pengfei Guo, Chris Tang
PI: "A Study of Congestion Measurement in Health Care Systems: Why Patients’ Waiting Time is not a Good Indicator? ", GRF - Hong Kong Research Grants Council (RGC) , (2016-2018) , Pengfei Guo
PI: "A Study of Two Health Care Subsidy Schemes: Unconditional Partial Subsidy versus Full Subsidy with Waiting Time Requirement", GRF - Hong Kong Research Grants Council (RGC) , (2013-2015) , Pengfei Guo
PI: "A Comparison Study between a Free Public Health Care System and a Two-Tier Health Care System", GRF - Hong Kong Research Grants Council (RGC) , (2011-2013) , Pengfei Guo
PI: "Procurement Outsourcing: Price Negotiation and Quantity Commitment in a Three-Tier Supply Chain", GRF - Hong Kong Research Grants Council (RGC) , (2009-2011) , Pengfei Guo

Supervisory Experience

Period	Nature
9/2022	PhD - Being XIA Yang's supervisor
9/2022	PhD - Being YUAN Fang's supervisor

External Academic Activities

Period	Organizer	Country / Region	Role
2021 - Now	Manufacturing & Service Operations Management	-	Associate Editor
2016 - Now	Production and Operations Management	-	Senior Editor

External Links

Selected Publications

Journal Publications and Reviews
Zhou, Wenhui; Huang, Weixiang; Hsu, Vernon N.; Guo, Pengfei / On the Benefit of Privatization in a Mixed Duopoly Service System. March 2023; In: Management Science. Vol. 69, No. 3, pp. 486–1499 Guo, Pengfei; Haviv, Moshe; Luo, Zhenwei; Wang, Yulan / Signaling Service Quality Through Queue Disclosure. March 2023; In: Manufacturing and Service Operations Management. Vol. 25, No. 2, pp. 543–562 Luo, Zhenwei; Guo, Pengfei; Wang, Yulan / Manage Inventories with Learning on Demands and Buy-up Substitution Probability. December 2022; In: Manufacturing and Service Operations Management. Czerny, Achim I.; Guo, Pengfei; Hassin, Refael / Shall firms withhold exact waiting time information from their customers? A transport example. December 2022; In: Transportation Research Part B: Methodological. Vol. 166, pp. 128-142 Huang, Fengfeng; Guo, Pengfei; Wang, Yulan / Optimal group testing strategy for the mass screening of SARS-CoV-2. October 2022; In: Omega (United Kingdom). Vol. 112 Guo, Pengfei; Haviv, Moshe; Luo, Zhenwei; Wang, Yulan / Optimal queue length information disclosure when service quality is uncertain. May 2022; In: Production and Operations Management. Vol. 31, No. 5, pp. 1912-1927 Lu, Lan; Zhu, Zheng; Guo, Pengfei; He, Qiao-Chu / Service Operations for Mixed Autonomous Paradigm: Lane Design and Subsidy. April 2022; In: Production and Operations Management. Vol. 31, No. 4, pp. 1595-1612 Huang, Fengfeng; Guo, Pengfei; Wang, Yulan / Modeling Patients' Illness Perception and Equilibrium Analysis of Their Doctor Shopping Behavior. March 2022; In: Production and Operations Management. Vol. 31, No. 3, pp. 1216-1234 Ma, Xin; Zhao, Xue; Guo, Pengfei / Cope with the COVID-19 pandemic: Dynamic bed allocation and patient subsidization in a public healthcare system. January 2022; In: International Journal of Production Economics. Vol. 243 Zhou, Wenhui; Wang, Dongmei; Huang, Weixiang; Guo, Pengfei / To Pool or Not to Pool? The Effect of Loss Aversion on Queue Configurations. November 2021; In: Production and Operations Management. Vol. 30, No. 11, pp. 4258-4272 Tang, Yanli; Guo, Pengfei; Tang, Christopher S.; Wang, Yulan / Gender-Related Operational Issues Arising from On-Demand Ride-Hailing Platforms: Safety Concerns and System Configuration. October 2021; In: Production and Operations Management. Vol. 30, No. 10, pp. 3481-3496 Wang, Yulan; Niu, Baozhuang; Guo, Pengfei; Song, Jing-Sheng / Direct sourcing or agent sourcing? Contract negotiation in procurement outsourcing. March 2021; In: Manufacturing and Service Operations Management. Vol. 23, No. 2, pp. 294-310 Li, Xin; Li, Qingying; Guo, Pengfei / Time-based or fixed-fee? How to penalize cancellation of orders of car-hailing applications. February 2021; In: International Journal of Production Economics. Vol. 232 Huang, Weixiang; Zhou, Wenhui; Guo, Pengfei; Zhu, Han / Service segment competition: size or value, which matters?. 2021; In: International Journal of Production Research. Vol. 59, No. 4, pp. 1281-1299 Li, Qingying; Guo, Pengfei; Wang, Yulan / *Equilibrium analysis of unobservable M∕M∕n* priority queues with balking and homogeneous customers. September 2020; In: Operations Research Letters. Vol. 48, No. 5, pp. 674-681 Guo, Pengfei; Liu, Fang; Wang, Yulan / Pre-positioning and Deployment of Reserved Inventories in a Supply Network: Structural Properties. April 2020; In: Production and Operations Management. Vol. 29, No. 4, pp. 893-906 Huang, Fengfeng; Guo, Pengfei; Wang, Yulan / Cyclic Pricing When Customers Queue with Rating Information. October 2019; In: Production and Operations Management. Vol. 28, No. 10, pp. 2471-2485 Guo, Pengfei; Tang, Christopher S.; Wang, Yulan; Zhao, Ming / The Impact of Reimbursement Policy on Social Welfare, Revisit Rate, and Waiting Time in a Public Healthcare System: Fee-for-Service Versus Bundled Payment. 2019; In: Manufacturing and Service Operations Management. Vol. 21, No. 1, pp. 154-170 Yang, Liu; Guo, Pengfei; Wang, Yulan / Service Pricing with Loss-Averse Customers. May 2018; In: Operations Research. Vol. 66, No. 3, pp. 761-777 Tang, Yanli; Guo, Pengfei; Wang, Yulan / Equilibrium queueing strategies of two types of customers in a two-server queue. January 2018; In: Operations Research Letters. Vol. 46, No. 1, pp. 99-102 Qian, Qu; Guo, Pengfei; Lindsey, Robin / Comparison of Subsidy Schemes for Reducing Waiting Times in Healthcare Systems. November 2017; In: Production and Operations Management. Vol. 26, No. 11, pp. 2033-2049 Li, Xin; Li, Qingying; Guo, Pengfei; Lian, Zhaotong / On the uniqueness and stability of equilibrium in quality-speed competition with boundedly-rational customers: The case with general reward function and multiple servers. November 2017; In: International Journal of Production Economics. Vol. 193, pp. 726-736 Li, Xin; Guo, Pengfei; Lian, Zhaotong / Price and capacity decisions of service systems with boundedly rational customers. September 2017; In: Naval Research Logistics. Vol. 64, No. 6, pp. 437-452 Li, Xin; Guo, Pengfei; Lian, Zhaotong / Quality-Speed Competition in Customer-Intensive Services with Boundedly Rational Customers. November 2016; In: Production and Operations Management. Vol. 25, No. 11, pp. 1885-1901 Xu, Xiaoya; Lian, Zhaotong; Li, Xin; Guo, Pengfei / A Hotelling queue model with probabilistic service. September 2016; In: Operations Research Letters. Vol. 44, No. 5, pp. 592-597 Li, Qingying; Guo, Pengfei; Li, Chung-Lun; Song, Jing-Sheng / Equilibrium Joining Strategies and Optimal Control of a Make-to-Stock Queue. September 2016; In: Production and Operations Management. Vol. 25, No. 9, pp. 1513-1527 Niu, Baozhuang; Wang, Yulan; Guo, Pengfei / Equilibrium pricing sequence in a co-opetitive supply chain with the ODM as a downstream rival of its OEM. December 2015; In: Omega (United Kingdom). Vol. 57, No. Part B, pp. 249-270 Bensoussan, Alain; Guo, Pengfei / Technical Note—Managing Nonperishable Inventories with Learning About Demand Arrival Rate Through Stockout Times. May 2015; In: Operations Research. Vol. 63, No. 3, pp. 602-609 Guo, Pengfei; Hassin, Refael / Equilibrium strategies for placing duplicate orders in a single server queue. May 2015; In: Operations Research Letters. Vol. 43, No. 3, pp. 343-348 Wang, Yulan; Niu, Baozhuang; Guo, Pengfei / The Comparison of Two Vertical Outsourcing Structures under Push and Pull Contracts. April 2014; In: Production and Operations Management. Vol. 23, No. 4, pp. 610-625 Guo, Pengfei; Lindsey, Robin; Zhang, Zhe George / On the Downs–Thomson Paradox in a Self-Financing Two-Tier Queuing System. March 2014; In: Manufacturing and Service Operations Management. Vol. 16, No. 2, pp. 315-322 Guo, Pengfei; Zhang, Zhe George / Strategic Queueing Behavior and Its Impact on System Performance in Service Systems with the Congestion-Based Staffing Policy. December 2013; In: Manufacturing and Service Operations Management. Vol. 15, No. 1, pp. 118-131 Guo, Pengfei; Leng, Mingming; Wang, Yulan / A fair staff allocation rule for the capacity pooling of multiple call centers. September 2013; In: Operations Research Letters. Vol. 41, No. 5, pp. 490-493 Guo, Pengfei; Hassin, Refael / On the advantage of leadership in service pricing competition. July 2013; In: Operations Research Letters. Vol. 41, No. 4, pp. 397-402 Guo, Pengfei; Li, Qingying / Strategic behavior and social optimization in partially-observable Markovian vacation queues. May 2013; In: Operations Research Letters. Vol. 41, No. 3, pp. 277-284 Wang, Yulan; Niu, Baozhuang; Guo, Pengfei / On the Advantage of Quantity Leadership When Outsourcing Production to a Competitive Contract Manufacturer. January 2013; In: Production and Operations Management. Vol. 22, No. 1, pp. 104-119 Guo, Pengfei; Hassin, Refael / Strategic behavior and social optimization in Markovian vacation queues: The case of heterogeneous customers. October 2012; In: European Journal of Operational Research. Vol. 222, No. 2, pp. 278-286 Guo, Pengfei; Sun, Wei; Wang, Yulan / Equilibrium and optimal strategies to join a queue with partial information on service times. October 2011; In: European Journal of Operational Research. Vol. 214, No. 2, pp. 284-297 Guo, Pengfei; Hassin, Refael / Strategic Behavior and Social Optimization in Markovian Vacation Queues. July 2011; In: Operations Research. Vol. 59, No. 4, pp. 986-997 Guo, PENGFEI; Lian, ZHAOTONG; Wang, YULAN / PRICING PERISHABLE PRODUCTS WITH COMPOUND POISSON DEMANDS. July 2011; In: Probability in the Engineering and Informational Sciences. Vol. 25, No. 3, pp. 289-306 Guo, Pengfei; Song, Jing-Sheng; Wang, Yulan / Outsourcing structures and information flow in a three-tier supply chain. November 2010; In: International Journal of Production Economics. Vol. 128, No. 1, pp. 175-187 Guo, Pengfei; Liu, John J.; Wang, Yulan / Intertemporal service pricing with strategic customers. November 2009; In: Operations Research Letters. Vol. 37, No. 6, pp. 420-424 Guo, Pengfei; Zipkin, Paul / The effects of the availability of waiting-time information on a balking queue. October 2009; In: European Journal of Operational Research. Vol. 198, No. 1, pp. 199-209 Guo, Pengfei; Zipkin, Paul / THE IMPACTS OF CUSTOMERS’ DELAY-RISK SENSITIVITIES ON A QUEUE WITH BALKING. July 2009; In: Probability in the Engineering and Informational Sciences. Vol. 23, No. 3, pp. 409-432 Guo, Pengfei; Zipkin, Paul / The Effects of Information on a Queue with Balking and Phase-Type Service Times. August 2008; In: Naval Research Logistics. Vol. 55, No. 5, pp. 406-411 Guo, Pengfei; Zipkin, Paul / Analysis and Comparison of Queues with Different Levels of Delay Information**. June 2007; In: Management Science. Vol. 53, No. 6, pp. 962-970

Journal Publications and Reviews

Zhou, Wenhui; Huang, Weixiang; Hsu, Vernon N.; Guo, Pengfei / On the Benefit of Privatization in a Mixed Duopoly Service System. March 2023; In: Management Science. Vol. 69, No. 3, pp. 486–1499
Guo, Pengfei; Haviv, Moshe; Luo, Zhenwei; Wang, Yulan / Signaling Service Quality Through Queue Disclosure. March 2023; In: Manufacturing and Service Operations Management. Vol. 25, No. 2, pp. 543–562
Luo, Zhenwei; Guo, Pengfei; Wang, Yulan / Manage Inventories with Learning on Demands and Buy-up Substitution Probability. December 2022; In: Manufacturing and Service Operations Management.
Czerny, Achim I.; Guo, Pengfei; Hassin, Refael / Shall firms withhold exact waiting time information from their customers? A transport example. December 2022; In: Transportation Research Part B: Methodological. Vol. 166, pp. 128-142
Huang, Fengfeng; Guo, Pengfei; Wang, Yulan / Optimal group testing strategy for the mass screening of SARS-CoV-2. October 2022; In: Omega (United Kingdom). Vol. 112
Guo, Pengfei; Haviv, Moshe; Luo, Zhenwei; Wang, Yulan / Optimal queue length information disclosure when service quality is uncertain. May 2022; In: Production and Operations Management. Vol. 31, No. 5, pp. 1912-1927
Lu, Lan; Zhu, Zheng; Guo, Pengfei; He, Qiao-Chu / Service Operations for Mixed Autonomous Paradigm: Lane Design and Subsidy. April 2022; In: Production and Operations Management. Vol. 31, No. 4, pp. 1595-1612
Huang, Fengfeng; Guo, Pengfei; Wang, Yulan / Modeling Patients' Illness Perception and Equilibrium Analysis of Their Doctor Shopping Behavior. March 2022; In: Production and Operations Management. Vol. 31, No. 3, pp. 1216-1234
Ma, Xin; Zhao, Xue; Guo, Pengfei / Cope with the COVID-19 pandemic: Dynamic bed allocation and patient subsidization in a public healthcare system. January 2022; In: International Journal of Production Economics. Vol. 243
Zhou, Wenhui; Wang, Dongmei; Huang, Weixiang; Guo, Pengfei / To Pool or Not to Pool? The Effect of Loss Aversion on Queue Configurations. November 2021; In: Production and Operations Management. Vol. 30, No. 11, pp. 4258-4272
Tang, Yanli; Guo, Pengfei; Tang, Christopher S.; Wang, Yulan / Gender-Related Operational Issues Arising from On-Demand Ride-Hailing Platforms: Safety Concerns and System Configuration. October 2021; In: Production and Operations Management. Vol. 30, No. 10, pp. 3481-3496
Wang, Yulan; Niu, Baozhuang; Guo, Pengfei; Song, Jing-Sheng / Direct sourcing or agent sourcing? Contract negotiation in procurement outsourcing. March 2021; In: Manufacturing and Service Operations Management. Vol. 23, No. 2, pp. 294-310
Li, Xin; Li, Qingying; Guo, Pengfei / Time-based or fixed-fee? How to penalize cancellation of orders of car-hailing applications. February 2021; In: International Journal of Production Economics. Vol. 232
Huang, Weixiang; Zhou, Wenhui; Guo, Pengfei; Zhu, Han / Service segment competition: size or value, which matters?. 2021; In: International Journal of Production Research. Vol. 59, No. 4, pp. 1281-1299
Li, Qingying; Guo, Pengfei; Wang, Yulan / Equilibrium analysis of unobservable M∕M∕n priority queues with balking and homogeneous customers. September 2020; In: Operations Research Letters. Vol. 48, No. 5, pp. 674-681
Guo, Pengfei; Liu, Fang; Wang, Yulan / Pre-positioning and Deployment of Reserved Inventories in a Supply Network: Structural Properties. April 2020; In: Production and Operations Management. Vol. 29, No. 4, pp. 893-906
Huang, Fengfeng; Guo, Pengfei; Wang, Yulan / Cyclic Pricing When Customers Queue with Rating Information. October 2019; In: Production and Operations Management. Vol. 28, No. 10, pp. 2471-2485
Guo, Pengfei; Tang, Christopher S.; Wang, Yulan; Zhao, Ming / The Impact of Reimbursement Policy on Social Welfare, Revisit Rate, and Waiting Time in a Public Healthcare System: Fee-for-Service Versus Bundled Payment. 2019; In: Manufacturing and Service Operations Management. Vol. 21, No. 1, pp. 154-170
Yang, Liu; Guo, Pengfei; Wang, Yulan / Service Pricing with Loss-Averse Customers. May 2018; In: Operations Research. Vol. 66, No. 3, pp. 761-777
Tang, Yanli; Guo, Pengfei; Wang, Yulan / Equilibrium queueing strategies of two types of customers in a two-server queue. January 2018; In: Operations Research Letters. Vol. 46, No. 1, pp. 99-102
Qian, Qu; Guo, Pengfei; Lindsey, Robin / Comparison of Subsidy Schemes for Reducing Waiting Times in Healthcare Systems. November 2017; In: Production and Operations Management. Vol. 26, No. 11, pp. 2033-2049
Li, Xin; Li, Qingying; Guo, Pengfei; Lian, Zhaotong / On the uniqueness and stability of equilibrium in quality-speed competition with boundedly-rational customers: The case with general reward function and multiple servers. November 2017; In: International Journal of Production Economics. Vol. 193, pp. 726-736
Li, Xin; Guo, Pengfei; Lian, Zhaotong / Price and capacity decisions of service systems with boundedly rational customers. September 2017; In: Naval Research Logistics. Vol. 64, No. 6, pp. 437-452
Li, Xin; Guo, Pengfei; Lian, Zhaotong / Quality-Speed Competition in Customer-Intensive Services with Boundedly Rational Customers. November 2016; In: Production and Operations Management. Vol. 25, No. 11, pp. 1885-1901
Xu, Xiaoya; Lian, Zhaotong; Li, Xin; Guo, Pengfei / A Hotelling queue model with probabilistic service. September 2016; In: Operations Research Letters. Vol. 44, No. 5, pp. 592-597
Li, Qingying; Guo, Pengfei; Li, Chung-Lun; Song, Jing-Sheng / Equilibrium Joining Strategies and Optimal Control of a Make-to-Stock Queue. September 2016; In: Production and Operations Management. Vol. 25, No. 9, pp. 1513-1527
Niu, Baozhuang; Wang, Yulan; Guo, Pengfei / Equilibrium pricing sequence in a co-opetitive supply chain with the ODM as a downstream rival of its OEM. December 2015; In: Omega (United Kingdom). Vol. 57, No. Part B, pp. 249-270
Bensoussan, Alain; Guo, Pengfei / Technical Note—Managing Nonperishable Inventories with Learning About Demand Arrival Rate Through Stockout Times. May 2015; In: Operations Research. Vol. 63, No. 3, pp. 602-609
Guo, Pengfei; Hassin, Refael / Equilibrium strategies for placing duplicate orders in a single server queue. May 2015; In: Operations Research Letters. Vol. 43, No. 3, pp. 343-348
Wang, Yulan; Niu, Baozhuang; Guo, Pengfei / The Comparison of Two Vertical Outsourcing Structures under Push and Pull Contracts. April 2014; In: Production and Operations Management. Vol. 23, No. 4, pp. 610-625
Guo, Pengfei; Lindsey, Robin; Zhang, Zhe George / On the Downs–Thomson Paradox in a Self-Financing Two-Tier Queuing System. March 2014; In: Manufacturing and Service Operations Management. Vol. 16, No. 2, pp. 315-322
Guo, Pengfei; Zhang, Zhe George / Strategic Queueing Behavior and Its Impact on System Performance in Service Systems with the Congestion-Based Staffing Policy. December 2013; In: Manufacturing and Service Operations Management. Vol. 15, No. 1, pp. 118-131
Guo, Pengfei; Leng, Mingming; Wang, Yulan / A fair staff allocation rule for the capacity pooling of multiple call centers. September 2013; In: Operations Research Letters. Vol. 41, No. 5, pp. 490-493
Guo, Pengfei; Hassin, Refael / On the advantage of leadership in service pricing competition. July 2013; In: Operations Research Letters. Vol. 41, No. 4, pp. 397-402
Guo, Pengfei; Li, Qingying / Strategic behavior and social optimization in partially-observable Markovian vacation queues. May 2013; In: Operations Research Letters. Vol. 41, No. 3, pp. 277-284
Wang, Yulan; Niu, Baozhuang; Guo, Pengfei / On the Advantage of Quantity Leadership When Outsourcing Production to a Competitive Contract Manufacturer. January 2013; In: Production and Operations Management. Vol. 22, No. 1, pp. 104-119
Guo, Pengfei; Hassin, Refael / Strategic behavior and social optimization in Markovian vacation queues: The case of heterogeneous customers. October 2012; In: European Journal of Operational Research. Vol. 222, No. 2, pp. 278-286
Guo, Pengfei; Sun, Wei; Wang, Yulan / Equilibrium and optimal strategies to join a queue with partial information on service times. October 2011; In: European Journal of Operational Research. Vol. 214, No. 2, pp. 284-297
Guo, Pengfei; Hassin, Refael / Strategic Behavior and Social Optimization in Markovian Vacation Queues. July 2011; In: Operations Research. Vol. 59, No. 4, pp. 986-997
Guo, PENGFEI; Lian, ZHAOTONG; Wang, YULAN / PRICING PERISHABLE PRODUCTS WITH COMPOUND POISSON DEMANDS. July 2011; In: Probability in the Engineering and Informational Sciences. Vol. 25, No. 3, pp. 289-306
Guo, Pengfei; Song, Jing-Sheng; Wang, Yulan / Outsourcing structures and information flow in a three-tier supply chain. November 2010; In: International Journal of Production Economics. Vol. 128, No. 1, pp. 175-187
Guo, Pengfei; Liu, John J.; Wang, Yulan / Intertemporal service pricing with strategic customers. November 2009; In: Operations Research Letters. Vol. 37, No. 6, pp. 420-424
Guo, Pengfei; Zipkin, Paul / The effects of the availability of waiting-time information on a balking queue. October 2009; In: European Journal of Operational Research. Vol. 198, No. 1, pp. 199-209
Guo, Pengfei; Zipkin, Paul / THE IMPACTS OF CUSTOMERS’ DELAY-RISK SENSITIVITIES ON A QUEUE WITH BALKING. July 2009; In: Probability in the Engineering and Informational Sciences. Vol. 23, No. 3, pp. 409-432
Guo, Pengfei; Zipkin, Paul / The Effects of Information on a Queue with Balking and Phase-Type Service Times. August 2008; In: Naval Research Logistics. Vol. 55, No. 5, pp. 406-411
Guo, Pengfei; Zipkin, Paul / Analysis and Comparison of Queues with Different Levels of Delay Information. June 2007; In: Management Science. Vol. 53, No. 6, pp. 962-970