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Water | Free Full-Text | The Synergy of Water Resource Agglomeration and Innovative Conservation Technologies on Provincial and Regional Water Usage Efficiency in China: A Super SBM-DEA Approach

China is currently facing the significant task of effectively managing its water resources to satisfy the rising needs while grappling with the growing worries of water shortage. In this context, it becomes crucial to comprehend the importance of resource agglomeration and technological adoption. Thus, this research examines the relationship between water resource agglomeration and the adoption of innovative conservation technologies in enhancing water usage efficiency at provincial and regional levels in China (2006–2020). In the first stage, the study utilizes a super SBM-Data Envelopment Analysis (DEA) methodology to evaluate the water usage efficiency of China’s provinces and regions. In the second stage, we find the dynamic nexuses between water resources, water technologies (recycling, sprinkler irrigation) and water usage efficiency by applying a systematic econometric approach. SBM-DEA analysis revealed that Beijing (1.08), Shaanxi (1.01), Shanghai (1.23) and Tianji ....

Inner Mongolia , Nei Mongol , Phillip Perron , Callejas Moncaleano , Driscoll Kraay , Water Technology , South Asian , Five Year Plans , Five Year Plan , Three Red Lines , Northwest China , Secondary Industry , Super Efficiency Slack Based Measure , Data Envelopment Analysis ,

MyJournals.org - Science - 'Energies, Vol. 16, Pages 4042: Site Selection of Solar Power Plants Using Hybrid MCDM Models: A Case Study in Indonesia' (Energies)

MyJournals.org - Science - Energies, Vol. 16, Pages 4042: Site Selection of Solar Power Plants Using Hybrid MCDM Models: A Case Study in Indonesia (Energies) ....

Data Envelopment Analysis , Fuzzy Analytic Hierarchy Process , Fuzzy Measurement , Compromise Solution ,

"Some comments on Russell graph efficiency measures in data envelopment" by Mostafa Naghavi, Israfil Roshdi et al.

In a recently published paper, Alcaraz, J., Anton-Sanchez, L., Aparicio, J., Monge, J. F., & Ramón, N., 2021. Russell graph efficiency measures in Data Envelopment Analysis: The multiplicative approach. European Journal of Operational Research, 292(2), 663–674, propose multiplicative versions of Russell-type graph efficiency measures based on geometric aggregations of input and output efficiency measures. Within the data envelopment analysis framework, they devise an iterative algorithm to solve the multiplicative models via a second order conic programming approach. In this paper, we demonstrate that the proposed models are not convex and reformulate them as two equivalent well-known types of nonconvex optimisation problems. By providing a numerical counterexample, we illustrate that their proposed algorithm may stop at a local optimum rather than converging to a global optimal solution. Some computational remarks are further suggested in regard to solving the proposed models. ....

European Journal Of Operational Research , Data Envelopment Analysis , Operational Research , C Optimisation , Everse Convex Optimisation , Ussell Graph Efficiency Measure , Econd Order Cone Programming ,