We introduce a real-life problem faced by the blood bank of the Austrian Red Cross for Eastern Austria: how to cost-effectively organize the periodic delivery of blood products to Austrian hospitals. We present various solution approaches, based on integer programming and variable neighborhood search, and empirically evaluate their performance. Moreover, we study the potential value of switchin...

This paper develops a single-vendor single-retailer supply chain for multi-product. The proposed model is based on Vendor Managed Inventory (VMI) approach and vendor uses the retailer's data for better decision making. Number of orders and available capital are the constraints of the model. In this system, shortages are backordered; therefore, the vendor’s warehouse capacity is another limitati...