過往企業只考量本身經濟效益來達到經濟最大化，但隨著氣候變遷與溫室效應等環境問題越來越顯著，環境議題開始受到企業的重視，政府機構也開始擬定相關環境政策，規定企業控制碳排放量，調節溫室氣體之排放，企業必須與政府相互配合，並達到相關排放之設定，而面臨法規限制下未必能達到最佳利潤效益，因此現今決策者進行決策時應該導入環境效益並考量相關環境法規，創造環境與經濟最大化雙贏得局面，企業可藉由改變自身的營運模式，並透過綠色概念來達到減少碳排放的產生，因此再製造活動的考量已經普遍企業重點考量的課題之一。
本研究針對碳排放政策及消費者特性對於混合再製造系統中利潤模式之影響，考量兩期生產過程中新品與再製品之碳排放，分別於碳稅政策、碳交易政策、碳懲罰政策三種碳排放限制下，以利潤最大化為目標，每種政策之再製品減碳效果區間，分為高低減碳程度兩種門檻值，分別求出最佳新品與再製品價格，其中本研究在範例中透過重點參數之設定，如碳稅徵收價格、碳交易價格、碳懲罰價格，找出重點參數之合理範圍，並進行政策間之比較分析，於減碳程度之情境中進行敏感度分析，結果當再製品減碳程度較高時，採用碳懲罰政策較佳，當減碳程度較低時，採用碳交易政策較佳，另外減碳效率於碳排放類別參數中具有影響力，於碳交易政策與碳懲罰政策最具影響力。

Due to the awareness of environmental protection issue is gradually important to industries and consumers, Policy-makers are also developing environmental policies to decrease carbon emissions from industries. Thus, more manufacturers begin to remanufacture the end-of-life products, and sell new and remanufactured products in the market simultaneously, must manage and evaluate economic and emission cost generated by the production under the carbon emission regulations. In this study, we develop a two-period planning horizon model to derive a favorable condition in the reduction level of emission for remanufactured products are beneficial for the manufacturer in the ordinary markets and green markets, and obtain the optimal price under three strategies of the carbon emission, such as: the carbon tax, the carbon cap and trade, and the carbon penalty, to maximize the manufacturer’s profits. This study also adopts a numerical example to investigate the relevant parameters, such as the carbon tax price, the carbon trading price, the carbon penalty price, in different conditions to understand the feasibility of the reduction level of carbon emission for remanufactured products.

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