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	Catena di approvvigionamento a ciclo chiuso	Routing di Inventario
Campo	Gestione delle operazioni	Gestione delle operazioni
Famiglia	Machine learning	Machine learning
Anno di origine	2003	2014
Ideatore	Guide, V. D. R., & Van Wassenhove, L. N.	Coelho, L. C., Cordeau, J. F., & Laporte, G.
Tipo	Supply chain strategy	Optimization problem
Fonte seminale	Guide, V. D. R., & Van Wassenhove, L. N. (2003). Business aspects of closed-loop supply chains. Pittsburgh: Carnegie Mellon University Press.	Coelho, L. C., Cordeau, J. F., & Laporte, G. (2014). Thirty years of inventory routing. Transportation Research Part B: Methodological, 55, 28-67.
Alias	reverse logistics, circular economy logistics	IRP, vendor-managed logistics
Correlati	5	5
Sintesi	A closed-loop supply chain (CLSC) integrates forward logistics (moving products to customers) with reverse logistics (recovering products, components, or materials from customers) to optimize resource recovery, reduce waste, and minimize environmental impact. Products flow forward for customer use, then flow backward for remanufacturing, refurbishment, recycling, or proper disposal. CLSC is driven by regulatory compliance (e.g., take-back laws), cost recovery, environmental responsibility, and increasingly, customer demand for sustainable business practices.	The Inventory Routing Problem (IRP) is an optimization problem that jointly determines inventory levels at customer locations, delivery routes, and shipment quantities to minimize total logistics and inventory holding costs. Rather than treating inventory management and vehicle routing as separate decisions, IRP recognizes that they are interdependent: larger shipments reduce routing costs but increase inventory holding costs, and vice versa. IRP is solved using mixed-integer programming, heuristics, and metaheuristics, and is a cornerstone of vendor-managed inventory (VMI) programs.