Citrus supply chain network design based on group purchasing mechanism: A case study of Mazandaran province
Subject Areas :mir saman pishvaee 1 * , seyed aliasghar ghadiri 2 , Mohamad Mahi Paydar 3
1 - Iran University of Science and Technology
2 - University of Science and Technology
3 -
Abstract :
Today, supply chain management and logistics play a vital role in increasing revenue, reducing costs, and increasing customer service. One of the common ways to reduce costs and improve the quality of purchases in the supply chain is to increase the level of cooperation between the stakeholders of the chain and the focus and integration of purchases. Every year, due to the inefficiency of the citrus supply chain network in Mazandaran province, we see a high share of intermediaries in purchasing products and, consequently, an increase in the final price in the market and a decrease in the producer's share of the final price. In this article, in order to improve these unfavorable conditions, an efficiency supply chain network has been designed, which aims to provide a platform for customers to buy directly from gardeners. In this research, customers are clustered with citrus sorting centers in terms of willingness to cooperate, amount and type of demand and distance. The customers who are most willing to cooperate and are closer to a sorting center come together and rent that sorting center and buy directly from the gardeners. Also, the proposed method determines the combination of cooperation between customers in order to minimize costs. Costs include the cost of purchasing, renting sorting centers, transporting citrus fruits from orchards to sorting centers, and from there to customers. In order to simultaneously optimize the two objective functions, the revised multi-option ideal programming approach has been used. In the continuation of the case study of citrus customers, which includes citrus exporters, various processing factories, fruit and vegetable fields, warehousemen, etc., has been done in Sari city.
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