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Purpose <p>This study aims to develop a sustainable vendor selection model for municipal solid waste management (MSWM). It integrates multi-criteria decision-making (MCDM) techniques to optimize vendor selection based on economic, environmental, social, and ethical criteria. The research addresses gaps in traditional selection methods by incorporating ethical considerations, thereby ensuring a more holistic approach to sustainability in waste management. This model is intended to help municipalities and organizations make more informed and responsible decisions.</p> Design/Methodology/Approach <p>A hybrid MCDM framework, combining the Best-Worst Method (BW) and the Technique for Order Preference by Similarity to the Ideal Solution (TOPSIS), is used here. First, relevant criteria were identified through a comprehensive literature review and expert consultations. The BW method is used to determine the weights of the criteria, followed by TOPSIS to rank the vendors based on those criteria. The model was applied to the vendor selection process of the Ghaziabad Municipality. A sensitivity analysis was conducted to validate the model’s robustness under varying conditions, confirming its reliability.</p> Findings <p>The study found that economic criteria had the highest weight (0.60), followed by environmental (0.15), social (0.14), and ethical (0.11) criteria. Also, revenue and cost sub-criterion dominated the vendor selection process; however, ethical sub-criterion, such as transparency and respect for human rights, also played a significant role. Vendor V3 consistently emerged as the most sustainable choice across all sensitivity analyses.</p> Originality <p>The study operationalizes ethical criteria as quantitative sub-criteria within a BW-TOPSIS hybrid framework and validates weights through a three-round Delphi panel applied to Ghaziabad Municipality. This integrates ethical considerations alongside traditional triple bottom line (TBL) sustainability criteria. The BW-TOPSIS model streamlines complex decision-making, promoting transparency, efficiency, and sustainability in waste disposal. The framework is adaptable across industries and municipalities, providing a replicable approach to optimize vendor selection based on sustainability principles.</p>

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Selection of Waste Disposal Vendor for Effective Municipal Solid Waste Management

  • 期刊论文

  • 发表日期：

    2026年4月11日

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  • Nitesh Kumar,
  • Ramesh Anbanandam

摘要

Purpose

This study aims to develop a sustainable vendor selection model for municipal solid waste management (MSWM). It integrates multi-criteria decision-making (MCDM) techniques to optimize vendor selection based on economic, environmental, social, and ethical criteria. The research addresses gaps in traditional selection methods by incorporating ethical considerations, thereby ensuring a more holistic approach to sustainability in waste management. This model is intended to help municipalities and organizations make more informed and responsible decisions.

Design/Methodology/Approach

A hybrid MCDM framework, combining the Best-Worst Method (BW) and the Technique for Order Preference by Similarity to the Ideal Solution (TOPSIS), is used here. First, relevant criteria were identified through a comprehensive literature review and expert consultations. The BW method is used to determine the weights of the criteria, followed by TOPSIS to rank the vendors based on those criteria. The model was applied to the vendor selection process of the Ghaziabad Municipality. A sensitivity analysis was conducted to validate the model’s robustness under varying conditions, confirming its reliability.

Findings

The study found that economic criteria had the highest weight (0.60), followed by environmental (0.15), social (0.14), and ethical (0.11) criteria. Also, revenue and cost sub-criterion dominated the vendor selection process; however, ethical sub-criterion, such as transparency and respect for human rights, also played a significant role. Vendor V3 consistently emerged as the most sustainable choice across all sensitivity analyses.

Originality

The study operationalizes ethical criteria as quantitative sub-criteria within a BW-TOPSIS hybrid framework and validates weights through a three-round Delphi panel applied to Ghaziabad Municipality. This integrates ethical considerations alongside traditional triple bottom line (TBL) sustainability criteria. The BW-TOPSIS model streamlines complex decision-making, promoting transparency, efficiency, and sustainability in waste disposal. The framework is adaptable across industries and municipalities, providing a replicable approach to optimize vendor selection based on sustainability principles.