The Importance of Inventory Management and Production Planning and Scheduling. Frameworks for Inventory Management and Production Planning and Scheduling. Forecasting Systems. Traditional Replenishment Systems for Managing Individual-Item Inventories. Lot Sizing for Individual Items with Time-Varying Demand. Managing the Most Important (Class A) Inventories. Production Planning and Scheduling. An Overall Framework for Production Planning and Scheduling. Medium-Range Aggregate Production Planning. Material Requirements Planning and its Extensions. Just-in Time and Optimized Production Technology. Short-Range Production Scheduling. Beer Game. Real World problems.