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	सुरक्षा स्टॉक और पुनः-आदेश बिंदु मॉडल	एबीसी विश्लेषण: वार्षिक उपयोग मूल्य द्वारा इन्वेंट्री वर्गीकरण
क्षेत्र	संचालन अनुसंधान	संचालन अनुसंधान
परिवार	Regression model	Process / pipeline
उद्भव वर्ष	1998	1998
प्रवर्तक	Silver, Pyke & Peterson	Pareto principle; Silver, Pyke & Peterson
प्रकार	Stochastic inventory control model	Inventory segmentation technique
मौलिक स्रोत	Silver, E. A., Pyke, D. F., & Peterson, R. (1998). Inventory Management and Production Planning and Scheduling (3rd ed.). Wiley. ISBN: 978-0-471-11947-0	Silver, E. A., Pyke, D. F., & Peterson, R. (1998). Inventory Management and Production Planning and Scheduling (3rd ed.). Wiley. ISBN: 978-0-471-11947-0
उपनाम	Buffer Stock, Reserve Stock, Reorder-Point Model, Emniyet Stoğu	Pareto Inventory Classification, 80-20 Inventory Rule, ABC Classification, ABC Stok Analizi
संबंधित	3	2
सारांश	Safety stock is an additional quantity of inventory held beyond expected demand during a replenishment lead time, designed to protect against stockouts caused by demand or supply uncertainty. Reorder-point models formalize this buffer by setting a trigger inventory level at which a new order is placed. Systematically developed within the stochastic inventory-control framework by Silver, Pyke, and Peterson (1998), the approach translates a desired customer-service level into a precise buffer quantity using the statistics of demand and lead-time variability.	ABC Analysis is a demand-value segmentation technique that divides inventory items into three classes — A, B, and C — based on their annual usage value (unit cost multiplied by annual demand). Rooted in the Pareto principle and codified for inventory management by Silver, Pyke, and Peterson (1998), it guides managers to concentrate control resources on the small fraction of items that drive the vast majority of total inventory spend.