Vendor Managed Inventory (VMI)

Vendor Managed Inventory (VMI)

1. EOQ MODEL

   • Integrated Inventory Models
   • EOQ model with allocation approach and cooperative game.
   • A supplier, vendor and buyer are considered.
     • Single-manufacturer and single-retailer
     • One Manufacturer and multiple retailers
     • Consider two cases: single-buyer and two buyers
     • One supplier and one retailer
     • Multiple Suppliers, Manufacturers, and Retailers are considered.

2. Production-Inventory Models

   • Non-competing retailers
   • The manufacturer assumes the inventory holding costs and shortage costs caused during replenishment.
   • The vendor assumes penalty const for exceeding an upper limit of shipments.
   • The vendor assumes the replenishment decision and the holding and ordering cost
   • Joint economic-lot-sizing model
     • Production-inventory model with optimal pricing, lot-sizing and production policy.
     • Production-inventory model with optimal pricing, lot-sizing and production policy.
     • Production-inventory model with optimal pricing, lot-sizing, production, and selling price strategies
     • The buyer incorporates a warehouse and shelf.
   • Integrated production-inventory model.
     • The vendor produces defective items and delivers unequal shipments. The defective items are returned to the vendor for repair and are sent back to the buyer.
     • The manufacturer (vendor) and retailer (buyer) include serviceable and repairable stock.
     • The vendor assumes the inventory holding costs at retailers and penalty costs due to shortages.
   • An external manufacturer is included

3. Inventory-Routing Model

   • VMI approach and VRP problem