Refik Güllü

Email: 
refik.gullu@bogazici.edu.tr
Phone: 
7034
 
B.S. in IE, Middle East Technical Univ., 1987;
M.S. in IE, Middle East Technical Univ., 1989;
M.S. in IE, Cornell University, 1992;
Ph.D. in IE, Cornell University, 1993.
Research Interests: 
Stochastic models, Multi-level production/inventory systems, Supply chain modeling and analysis, Queuing theory

Offered courses

Recent publications

  1. Next-day operating room scheduling with uncertain surgery durations: Exact analysis and heuristics, Khaniyev, Taghi, Kayış Enis, and Güllü Refik , European Journal of Operational Research, Volume 286, p.49-62, (2020)
  2. An exact and implementable computation of the final outbreak size distribution under Erlang distributed infectious period, İşlier, Zeynep Gökçe, Güllü Refik, and Hörmann Wolfgang , Mathematical Biosciences, Volume 325, p.108363, (2020)
  3. Effect of a secondary market on a system with random demand and uncertain costs, Gürel, Yücel, and Güllü Refik , International Journal of Production Economics, Volume 209, p.112-120, (2019)
  4. Mispricing in Option Pricing Models Versus Market Payoffs: An Efficiency-Based Performance Metric, Orbay, Berk, Güllü Refik, and Hörmann Wolfgang , Wilmott, Volume 2017, p.44–57, (2017)
  5. Innovation race under revenue and technology uncertainty of heterogeneous firms where the winner does not take all, Bilgiç, Taner, and Güllü Refik , IIE Transactions, Volume 48, p.527–540, (2016)
  6. Joint pricing and inventory control for additive demand models with reference effects, M Güler, Güray, Bilgiç Taner, and Güllü Refik , Annals of Operations Research, Volume 226, Number 1, p.255–276, (2015)
  7. Joint inventory and pricing decisions when customers are delay sensitive, M Güler, Güray, Bilgiç Taner, and Güllü Refik , International Journal of Production Economics, Volume 157, p.302–312, (2014)
  8. Optimal inventory and pricing policies for remanufacturable leased products, Aras, Necati, Güllü Refik, and Yürülmez Sevil , International Journal of Production Economics, Volume 133, Number 1, p.262–271, (2011)
  9. Operational Research Society of Turkey, Bilgiç, Taner, and Güllü Refik , Wiley Encyclopedia of Operations Research and Management Science, (2010)