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Centralized versus decentralized decision-making for recycled material flows
I-Hsuan Hong1, Jane C Ammons, Matthew J Realff
1Department of Industrial Engineering and Management, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu 300, Taiwan. ihong@mail.nctu.edu.tw
Environmental Science & Technology
|March 21, 2008
Summary
Centralized planning in reverse logistics networks increases total net profit compared to decentralized models. Careful design of decentralized contracts is crucial to maintain system efficiency and scope.
Area of Science:
- Operations Research
- Supply Chain Management
- Environmental Sustainability
Background:
- Reverse logistics systems are essential for managing end-of-life products through collection, consolidation, refurbishment, and demanufacturing.
- Decision-making models for material flows and pricing in reverse logistics networks significantly impact system profitability and efficiency.
- Existing research often focuses on specific aspects, necessitating a comparative analysis of centralized versus decentralized approaches.
Purpose of the Study:
- To compare the effectiveness of centralized and decentralized decision-making models in reverse logistics networks.
- To analyze the impact of different planning structures on material flows, transaction prices, and overall net profit.
- To provide insights into optimizing contract mechanisms for decentralized reverse logistics systems.
Main Methods:
- Development and comparison of centralized and decentralized models for reverse logistics planning.
- Numerical simulation to evaluate material flows, transaction prices, and net profit under both models.
- Analysis of decision-making authority and coordination mechanisms in each approach.
Main Results:
- The centralized model demonstrates a higher total net profit compared to the decentralized model.
- Decentralized systems may lead to overestimation of material flows and profit when a centralized perspective is used for prediction.
- The study highlights potential inefficiencies and scope limitations in decentralized systems without careful contract design.
Conclusions:
- Centralized planning offers superior financial performance in reverse logistics networks.
- Effective contract design is critical for mitigating efficiency losses in decentralized reverse logistics operations.
- The findings underscore the importance of aligning decision-making structures with system objectives for optimal reverse logistics management.
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