Dealing with undesirable outputs in DEA: An aggregation method for a common set of weights

Zhu, Weiwei; Xu, Meijuan; Cheng, Cheng-Ping

doi:10.1080/01605682.2019.1568843

Cited by 10 publications

(8 citation statements)

References 27 publications

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“…In the process of economic production, the input of capital, labor force, and energy not only produces industrial products, but also the undesirable output. The US-SBM model, which is proposed by Tone [ 43 ], solves the problem of relaxation improvement of input-output factors and can classify effective decision-making units (DMU). Therefore, this study uses the US-SBM model to evaluate the CEE.…”

Section: Methodsmentioning

confidence: 99%

Spatio-Temporal Effects of Multi-Dimensional Urbanization on Carbon Emission Efficiency: Analysis Based on Panel Data of 283 Cities in China

Zhou

Lanzhu

Zhao

et al. 2021

IJERPH

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Under the influence of complex urbanization, improving the carbon emission efficiency (CEE) plays an important role in the construction of low-carbon cities in China. Based on the panel data of 283 prefectural-level cities in China from 2005 to 2017, this study evaluated the CEE by the US-SBM model, and explored the spatial agglomeration evolution characteristics of CEE from static and dynamic perspectives by integrating ESDA and Spatial Markov Chains. Then, the spatial heterogeneity of the impacts of multi-dimensional urbanization on CEE were analyzed by using the Geographically and Temporally Weighted Regression (GTWR). The results show that: (1) with the evolution of time, the CEE has a trend of gradual improvement, but the average is 0.4693; (2) from the perspective of spatial static agglomeration, the “hot spots” of CEE mainly concentrated in Shandong Peninsula, Pearl River Delta, and Chengdu-Chongqing urban agglomeration; The dynamic evolution of CEE gradually forms the phenomenon of “club convergence”; (3) urbanization of different dimensions shows spatial heterogeneity to CEE. The impact of economic urbanization in northern cities on CEE shows an inverted “U” shape, and the negative impact of spatial urbanization on CEE appears in the northwest and resource-based cities around Bohai Sea. Population and social urbanization have a positive promoting effect on CEE after 2010. These findings may help China to improve the level of CEE at the city level and provide a reference for low-carbon decision-making.

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Section: Methodsmentioning

confidence: 99%

Spatio-Temporal Effects of Multi-Dimensional Urbanization on Carbon Emission Efficiency: Analysis Based on Panel Data of 283 Cities in China

Zhou

Lanzhu

Zhao

et al. 2021

IJERPH

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“…Therefore, more and more researchers are now advocating for efficiency improvement based on environmental judgments that hold an important role not only in CP but also in sustainability studies [ 7 , 13 , 14 ]. The present study has contributed to this by considering the industrial productions under the informal sector since they often become pollution-intensive, which fosters a number of environmental problems in some emerging and developing countries [ 15 , 16 ].…”

Section: Introductionmentioning

confidence: 99%

“…The informal sector, which captures three interlinked dimensions: informal units, informal activities, and informal employment [ 16 ], was officially recognized by the International Labor Organization (ILO) at the International Labor Conference in 2002. This study has considered the ILO definition of the informal sector, which takes account of all production activities taking place in the informal settlements [ 17 ].…”

Section: Introductionmentioning

confidence: 99%

Investigating the prospect of cleaner production in informal enterprises: A scientific assessment of environmental burdens and economic efficiency

Sultana

Rahman

Khanam

et al. 2023

Heliyon

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“…Since the aim of this paper is to provide radial eco-efficiency evaluation, two recent relevant DEA models are reviewed with more attention. The first model proposed by Zhu et al (2020) replaces desirable outputs with the ratio of desirable outputs to undesirable outputs in order to involve undesirable outputs in performance evaluation. The second model has been suggested by Kao and Hwang (2019) and uses negative shadow prices for undesirable outputs.…”

Section: Introductionmentioning

confidence: 99%

Radial eco‐efficiency in the presence of weakly disposable undesirable outputs: Evaluating agricultural sectors

Afzalinejad

2022

Expert Systems

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Data envelopment analysis (DEA) is a popular technique for evaluating relative efficiency. In many real-world applications, undesirable outputs must be considered, and evaluating eco-efficiency instead of operational efficiency is demanded. Unfortunately, eco-efficiency models in DEA are problematic, especially in variable returnsto-scale (VRS) and weak disposability conditions. In this paper, the shortcomings of the available models are discussed and a new method is proposed to provide a valid eco-efficiency measurement. The proposed model is capable of assessing radial efficiency which is not straightforward in the presence of undesirable outputs. Weak disposability condition plays an important role in modelling undesirable outputs. The proposed model also offers a new formulation for weak disposability in VRS technology. Compared to conventional DEA models with a large number of decision making units evaluated as efficient, the performance scores in the proposed model are much more dispersed, leading to a deeper assessment. None of the operational and environmental efficiencies is overlooked by the new method. The proposed model is used to evaluate the eco-efficiency of the agriculture sector in 62 countries. The results confirm that poverty and extreme weather have negative impacts on environmental efficiency.

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Dealing with undesirable outputs in DEA: An aggregation method for a common set of weights

Cited by 10 publications

References 27 publications

Spatio-Temporal Effects of Multi-Dimensional Urbanization on Carbon Emission Efficiency: Analysis Based on Panel Data of 283 Cities in China

Spatio-Temporal Effects of Multi-Dimensional Urbanization on Carbon Emission Efficiency: Analysis Based on Panel Data of 283 Cities in China

Investigating the prospect of cleaner production in informal enterprises: A scientific assessment of environmental burdens and economic efficiency

Radial eco‐efficiency in the presence of weakly disposable undesirable outputs: Evaluating agricultural sectors

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