綠色供應鏈模型與臺灣電子廢棄物回收效率評估

Green Supply Chain Models Evaluating E-Waste Reverse Logistics Performance in Taiwan

黃寶賜(Pao-Szu Huang)

指導教授 ： 許鉅秉

國立臺灣大學/管理學院/商學研究所/碩士(2017年)

https://doi.org/10.6342/NTU201701462

摘要

本文建構一綠色供應鏈模型，針對臺灣電子廢棄物的逆物流系統效率予以衡量。模型在臺灣的廢棄物規範下，假設一獨佔廠商，以及不同的回收負責廠商，以回收活動的投入決定電子廢棄物回收率。本研究分析三個情境，分別為：一、現行回收管理基金，由回收處理商負責回收；二、《廢棄物減量及循環利用法》草案中，指定產品由製造商負責回收；三、承繼第二個情境，但納入消費者對製造商回收行為的偏好。透過廠商的利潤極大化，可以計算出製造商及回收商的獲利性以及回收系統回收水準。本文並以宏碁的筆記型電腦為例進行數值分析，發現第二個情境下整體廠商有最佳獲利性，但第三個情境下能有最佳回收水準。而從敏感度分析中發現，當模型參數的調整對回收有利時，第三情境的獲利能夠超越第二情境，可見消費者態度的重要性。

關鍵字

綠色供應鏈 ； 閉環式供應鏈 ； 逆物流 ； 電子廢棄物 ； 回收系統

並列摘要

This paper develops green supply chain models to investigate performances of different reverse logistics systems, focusing on the return rate of e-waste. Arguments are embodied in a closed-loop supply chain with a monopolistic manufacturer in compliance of waste clearance regulation in Taiwan and return rate decided by responsible parties’ investment in collecting activities. Three scenarios are considered, including 1). current recycling fund system, 2). manufacturer collection system as a proposed bill from EPA regulates, and 3). manufacturer collection system with consumer preference of green manufacturer. Through solving profit maximization problem for responsible parties for reverse logistics parties, the models can derive firm’s profitability and return rate of e-waste. A numerical study is conducted using Acer notebook computers as the example. Among the three models, the second scenario yields the best profitability of the system, while, the third has the highest return rate. Also, from sensitivity analysis, this research finds that system with consumer awareness can look after not only return rate but also firm’s profit when model parameters are improved for operation.

並列關鍵字

Green supply chain ； Closed-loop Supply Chain ； Reverse logistics ； Recycling system ； E-waste

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