Directory

Bora Kolfal

Associate Professor, Alberta School of Business - Department of Accounting and Business Analytics
Curriculum Vitæ
Contact Overview Activities

Contact

Associate Professor, Alberta School of Business - Department of Accounting and Business Analytics
Email
bkolfal@ualberta.ca

Overview

Research

Research Interests

  • Flexibility in Service Operations and Supply Chains
  • Healthcare Applications of OR
  • Queueing Systems
  • Stochastic Processes
  • Supply Chain Management

Teaching

Teaching Interests

  • OM 426/626 ‐ Service Operations Management (formerly MGTSC 426/626)
  • OM 352 ‐ Operations Management (formerly MGTSC 352)
  • OM 410 ‐ Supply Chain Management (formerly MGTSC 488)
  • OM 495 - Individual Research Project (formerly MGTSC 495)
  • OM 704 ‐ Seminar in Stochastic Systems (formerly MGTSC 704)
  • OM 710 - Readings in Queueing Theory (formerly MGTSC 710)

Scholarly Activities

Research - Publications

  • Ozdemir, O., B. Kolfal, P. Messinger, and S. Rizvi, 2023, “Human or Virtual: How Influencer Type Shapes Brand Attitudes,” Computers in Human Behaviour, 145, 107771, DOI: https://doi.org/10.1016/j.chb.2023.107771.
  • Rastpour, A., A. Ingolfsson, B. Kolfal, 2020, “Modeling Yellow and Red Alert Durations for Ambulance Systems,” Production and Operations Management, 29(8), pp. 1972-1991.
  • Delasay, M., A. Ingolfsson, B. Kolfal, and K. Schultz, 2019, “Load Effect on Service Times,” European Journal of Operational Research, 279(3), pp. 673-686.
  • Soltani, M., M. Samorani, and B. Kolfal, 2019, “Appointment Scheduling with Multiple Providers and Stochastic Service Times,” European Journal of Operational Research, 277(2), pp. 667-683.
  • Sun, C., Y. Ji, B. Kolfal, and R. Patterson, 2017, “Business-To-Consumer Platform Strategy: How Vendor Certification Changes Platform and Seller Incentives,” ACM Transactions on Management Information Systems, 8(2-3), Article No. 6, DOI: https://doi.org/10.1145/3057273.
  • Delasay, M., A. Ingolfsson, and B. Kolfal, 2016, “Modeling Load and Overwork Effects in Queueing Systems with Adaptive Service Rates,” Operations Research, 64(4), pp. 867–885.
  • Alanis, R., A. Ingolfsson, and B. Kolfal, 2013, “A Markov Chain Model for an EMS System with Repositioning,” Production and Operations Management, 22(1), pp. 216-231.
  • Kolfal, B., R. Patterson, and L. Yeo, 2013, “Market Impact on IT Security Spending,” Decision Sciences Journal, 44(3), pp. 517-556.
  • Iravani, S.M.R., B. Kolfal, and M.P. Van Oyen, 2012, “Process Flexibility and Inventory Flexibility via Product Substitution,” Flexible Services & Manufacturing, 26(3), pp. 320-343.
  • Delasay, M., B. Kolfal, and A. Ingolfsson, 2012, “Maximizing Throughput in Finite-Source Parallel Queue Systems,” European Journal of Operational Research, 217(3), pp. 554-559.
  • Saghafian, S., M.P. Van Oyen, and B. Kolfal, 2011, “The ‘W’ Network and the Dynamic Control of Unreliable Flexible Servers,” IIE Transactions, 43(12), pp. 893-907.
  • Iravani, S.M.R., B. Kolfal, and M.P. Van Oyen, 2011, “Capability Flexibility: A Decision Support Methodology for Parallel Service and Manufacturing Systems with Flexible Servers,” IIE Transactions, 43(5), pp. 363-382.
  • Saghafian, S., M.P. Van Oyen, and B. Kolfal, 2009, “A New Policy for the Control of Parallel Queueing Systems,” Proceedings of 2009 NSF Engineering Research and Innovation Conference, Honolulu, Hawaii.
  • Iravani, S.M.R., B. Kolfal, and M.P. Van Oyen, 2007, “Call Center Labor Cross-Training: It’s a Small World After All,” Management Science, 53(7), pp. 1102-1112.
  • Iravani, S.M.R., and B. Kolfal, 2005, “When Does the cμ Rule Apply to Finite-Population Queueing Systems,” Operations Research Letters, 33(3), pp. 301-304.

Research - Working Papers

• Ding, Likang, Kolfal, Bora, Ingolfsson, Armann, 2023, “The relationship between expected service times and service rates for state-dependent queues.”

• (Names in alphabetical order) Kolfal, Bora, Messinger, Paul, Nikbakht, Arjang, 2023, “A Patent Pricing Model for Duopolies.”

• (Names in alphabetical order) Kolfal, Bora, Messinger, Paul, Nikbakht, Arjang, 2023, “Equilibrium Refinement for Stackelberg Leadership Duopolies.”

• Hidaji, Hooman, Yeo, Lisa, Kolfal, Bora, Nault, Barrie, Patterson, Raymond, Rolland, Eric, 2023, “Service Disruptions and Provider Choice.”