Logistics planning of cash transfer to Syrian refugees in Turkey

Ramez Kian, Güneş Erdoğan, Sander de Leeuw, Sibel Salman, Bahar Kara, Ehsan Sabet, Muhittin Demir

Research output: Contribution to journalArticlepeer-review

6 Citations (SciVal)
28 Downloads (Pure)


This paper addresses a humanitarian logistics problem connected with the Syrian refugee crisis. The ongoing conflict in Syria has caused displacement of millions of people. Cash-based interventions play an important role in aiding people in the post-crisis period to enhance their well-being in the medium and longer term. The paper presents a study on how to design a network of administrative facilities to support the roll-out of cash-based interventions. The resulting multi-level network consists of a central registration facility, local temporary facilities, mobile facilities and vehicles for door-to-door visits. The goal is to reach the maximum number of eligible beneficiaries within a specified time period while minimizing logistics costs, subject to a limit on total security risk exposure. A mixed integer programming model is formulated to optimize the inter-related facility location and routing decisions under multiple objectives. The authors develop a hierarchical multi-objective metaheuristic algorithm to obtain efficient solutions. An application of the model and the solution algorithm to real data from a region in the southeast of Turkey is presented, with associated managerial insights.

Original languageEnglish
Pages (from-to)1007-1024
Number of pages18
JournalEuropean Journal of Operational Research
Issue number3
Early online date6 May 2021
Publication statusPublished - 1 Feb 2022


  • Cash-based interventions
  • Humanitarian logistics
  • Location-routing
  • Syrian refugee crisis

ASJC Scopus subject areas

  • Computer Science(all)
  • Modelling and Simulation
  • Management Science and Operations Research
  • Information Systems and Management


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