Slides for lecture presentation. Presentation courtesy of Tor Schoenmeyr. This summary presentation is based on: Eppen, Gary, and Linus Schrage. “Centralized Ordering Policies in a Multi-Warehouse System with Lead times and Random Demand.” TIMS Studies in the Management Sciences. Vol. 16, Multi-Level Production/Inventory Control Systems, Theory and Practice, edited by Leroy B. Schwarz. Amsterdam: North-Holland, 1981.