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Inventory Control Dynamic Models in Decentralized Supply Chain with Coordination

Afzalabadi, Maryam | 2017

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  1. Type of Document: Ph.D. Dissertation
  2. Language: Farsi
  3. Document No: 50888 (01)
  4. University: Sharif University of Technology
  5. Department: Industrial Engineering
  6. Advisor(s): Haji, Alireza; Haji, Rasoul
  7. Abstract:
  8. Although inventory control under discrete demand in dynamic quantities and time intervals are very common in reality, existing literature has largely ignored them. In this thesis, we investigate the inventory control decisions in a two echelon supply chain. The vendor supplies a product to several retailers, buying discrete quantities in pre-determined time intervals. The order quantity and order cycles for each retailer can be different from others. We have developed a new efficient algorithm to find the optimal ordering policy involves the scheduling and the order quantity of vendor to his supplier to minimize his cost function in infinite time horizon. Moreover, we have designed a revenue sharing contract to coordinate pricing and inventory control decisions. We assumed that the retailer faces Poisson demand and his unsatisfied demands will be lost. The retailer applies one-for-one period policy in which he constantly places an order for one unit of product to the manufacturer in a predetermined time interval which results in a deterministic demand for the manufacturer. Solution procedures were developed to find the equilibrium in the Manufacturer Managed Inventory (VMI) program with a revenue sharing contract in which no party is willing to deviate from for the sake of maximizing his own profit. Furthermore, we formulated the total profit of the system and obtain the optimal retail price and order cycle for the retailer and the inventory policy of manufacturer which maximizes the supply chain’s total profit and at the end we highlighted the revenue sharing contract performance
  9. Keywords:
  10. Inventory Management ; Supply Chain Coordination ; Stock Management by Seller ; Price Allocation ; Vendor Managed Inventory (VMI) ; Pricing ; Revenue Sharing Contract

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