The JIT materials management system in developing countries

Gul Polat, David Arditi*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

53 Citations (Scopus)


The just-in-time (JIT) approach to materials management appears to be superior to a just-in-case (JIC) approach in terms of reducing cost and improving productivity under most circumstances encountered in industrialized countries. However, is it truly more advantageous than the more commonly used approaches in developing countries? Contractors in developing countries may be compelled to keep excessive inventory under some circumstances to help manage uncertainty in the supply chain and production process, high inflation rates, available discounts on prices of large amounts of materials, and price cuts in case of early purchasing. This study presents a comparison of the JIT and JIC materials management systems in terms of total cost of inventory by means of a simulation model that makes use of actual data obtained from an ongoing trade centre project in Istanbul, Turkey. The study suggests that had the JIT system been used in the project in Istanbul the total cost of inventory would have been 4.4% higher than the total cost of inventory in the JIC system currently used.

Original languageEnglish
Pages (from-to)697-712
Number of pages16
JournalConstruction Management and Economics
Issue number7
Publication statusPublished - Sept 2005


  • Developing countries
  • Just-in-time
  • Materials management systems
  • Simulation modelling


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