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Abstract
This paper presents a dynamic efficiency study of the solid waste management in the municipalities of the Apulia region (Southern Italy). The study employs the non-parametric Global Malmquist Index to measure the change in productivity of the municipal solid waste service from 2010 to 2017. Three different DEA-based models are implemented to measure productivity. The first model computes the service productivity solely from the economic perspective, while the second and third models compute the service productivity from both the economic and environmental perspectives. Adopting two distinct perspectives provides a more comprehensive insight into the performance of the waste management service considering the productivity and the eco-productivity of service provision. The results from the productivity analysis show that, between 2010 and 2017, the municipal solid waste sector was still facing a transitional period characterized by low cost-efficiency and productivity growth measurements. Vice versa, the efficiency and productivity indicators improve when the analysis is performed accounting for the environmental impact. Indeed, both the eco-efficiency and eco-productivity measures increase from 2010 to 2017. Findings demonstrate the critical importance to include environmental indicators in the efficiency and productivity analysis.
Highlights
This paper presents a dynamic efficiency study of the solid waste management in the municipalities of the Apulia region (Southern Italy)
Such a difference between efficiency scores estimated using different models greatly increases in 2013 and in 2017, close to about 45% and 34%, respectively. This difference between the efficiency and the eco-efficiency metrics emerged from previous studies [13]
The different orientation employed in the specification of the DEA models in this study makes the comparison of relatively scarce significance
Summary
This paper presents a dynamic efficiency study of the solid waste management in the municipalities of the Apulia region (Southern Italy). The efficiency and productivity indicators improve when the analysis is performed accounting for the environmental impact Both the eco-efficiency and eco-productivity measures increase from 2010 to 2017. The average rate of the selectively collected fractions of MSW has steadily increased to 58.1% in 2018, for the most part thanks to the municipalities where curbside schemes have been successfully adopted [6]. This figure is still below the target of 65% that should have been achieved by the end of 2012, as established by Decree no. Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations
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