Evaluation of the efficiency of urban solid waste management in Brazil by data envelopment analysis and possible variables of influence

Waste Disposal & Sustainable Energy Pub Date : 2024-01-22 DOI:10.1007/s42768-023-00175-x

Isabel das Mercês Costa, Marta Ferreira Dias, Margarita Robaina

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Abstract

This article has the general objective of estimating the efficiency of urban solid waste management in 940 Brazilian municipalities through Data Envelopment Analysis (DEA) technique and has specific objectives: (i) to estimate efficiency scores; (ii) to compare the performance between different groups of municipalities; and (iii) to analyze the profile of efficient municipalities from the perspective of the guidelines of Law 12,305/2010 and socio-economic and environmental indicators. The technique used was DEA with output-oriented and variable scale to return modeling. The results showed higher efficiency scores in the municipalities with populations above 500,000 inhabitants. The score variation ranged from 0.5 (municipalities with populations <10,000 inhabitants) to 0.9 (municipalities with more than 500,000 inhabitants). Of the sample set, only 12.34% of the municipalities were considered efficient, and when analyzing the efficient group, it was found that adherence to legislation was not a major factor in achieving efficiency.

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通过数据包络分析和可能的影响变量评估巴西城市固体废物管理的效率

本文的总体目标是通过数据包络分析（DEA）技术估算巴西 940 个市镇的城市固体废物管理效率，具体目标包括：(i) 估算效率得分；(ii) 比较不同市镇组之间的绩效；(iii) 从第 12305/2010 号法律准则以及社会经济和环境指标的角度分析高效市镇的概况。使用的技术是以产出为导向的 DEA 和可变规模回报模型。结果显示，人口在 50 万以上的城市效率得分较高。得分差异从 0.5（人口为 10,000 人的城市）到 0.9（人口超过 500,000 人的城市）不等。在样本集中，只有 12.34% 的市政当局被认为是高效率的，在对高效率群体进行分析时发现，遵守立法并不是实现高效率的主要因素。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Waste Disposal & Sustainable Energy

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