Abstract
This study aims to establish a green supplier selection and guidance mechanism by integrating the features of an ANP (Analytic Network Process) and an IPA (Importance–Performance Analysis) to achieve sustainable management for green supply chains. Using an expert survey, this study developed green supplier selection criteria. It adopted an ANP, which allows for interdependencies and feedback between the various criteria, to select competitive green suppliers. Then, it used an IPA, which can analyze the criteria’s significance and performance levels, to provide green suppliers with direction for guidance and improvements. The green supplier selection and guidance mechanism featuring an ANP and IPA is thus established and validated through case studies. The research results showed the following: (1) the green supplier selection criteria comprise a total of 11 performance evaluation criteria from the three dimensions of operation, competence, and environmental consciousness; (2) as shown by the APN evaluation results, environmental benefits, environmental regulations, finance, technological competence, and delivery time are the top five among the overall green criteria of the company; the performance of the various suppliers is thus arranged in order, and the most competitive supplier is selected; (3) an IPA is used to analyze the criteria’s significance and supplier performance levels and to provide the suppliers with suggestions on priority improvements, including implementing the requirements in the environmental regulations, establishing comprehensive financial management procedures, improving corporate technological competence, and consolidating customer service; (4) it is suggested that an ANP and IPA should be integrated in the applications, which could simplify the green supplier selection and guidance mechanisms and increase the efficiency of supplier management, thus creating a three-win situation for the clients, the company, and the suppliers.
Highlights
To win a competitive advantage in the market, many enterprises need to strengthen their product quality and technology and should pay attention to the integration of upstream and downstream of the entire supply chain so that customers, suppliers, and relevant organizations have increasingly closer cooperation [1,2]
To improve research and data analysis efficiency, this study integrates the advantages of the ANP and IPA and proposes an ANP–IPA integration application to serve as a sustainable supplier selection and guidance mechanism for enterprises
As far as overall category indexes are concerned, the top five major green supplier selection indexes emphasized by the company are, in increasing order, the 3.3 environmental benefit index, 3.1 environmental specification index, 1.1 financial index, 2.4 technical capacity index, and 2.1 delivery time index
Summary
To win a competitive advantage in the market, many enterprises need to strengthen their product quality and technology and should pay attention to the integration of upstream and downstream of the entire supply chain so that customers, suppliers, and relevant organizations have increasingly closer cooperation [1,2]. Enterprises should regularly seek competitive new suppliers and conduct performance evaluations on them and existing suppliers to analyze each supplier’s performance and introduce guidance and improvement suggestions [3,4]. In this way, they expect to find suppliers to cooperate for the long term and establish complete supply chain relations to meet the enterprise’s needs and achieve a win-win result for both suppliers and enterprises. In the era of the globalization of coexistence in which the sustainable operation of enterprises is emphasized, it is important to comply with the European Union’s environmental protection requirements and focus on green trends for enterprises to improve competitiveness [6]. It is necessary to incorporate a green environmental protection index into supplier performance evaluation indexes [7]; suppliers are required to respond and abide by these indexes to meet the requirements of green and environmental protection concepts if they are preparing to enter the European Union market
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