期刊
JOURNAL OF CLEANER PRODUCTION
卷 395, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2023.136401
关键词
Environmental efficiency; Institutions; Data envelopment analysis; Bayesian methods; Generalized method of moments
This study uses a novel Bayesian data envelopment analysis (DEA) approach to estimate cross-country environmental efficiency and regress it on formal institutional factors. The results show that the Bayesian DEA approach used in this study generates valid estimates that outperform other existing bias-correction DEA techniques. The study finds an inverse relationship between control of corruption and environmental efficiency in developing countries, and a significant effect of lagged environmental efficiencies on current environmental performance.
The herein presented study estimates cross-country environmental efficiency using a novel Bayesian data envelopment analysis (DEA) approach and regresses it on formal institutional factors such as control of cor-ruption and government effectiveness. It has been proven that the Bayesian DEA approach used in this study yields valid estimates that outperform other extant bias-correction DEA techniques (e.g., lower mean square error and mean absolute error). The regression analysis draws on a two-step generalized method of moments (GMM) for linear dynamic panel data. The study uses a balanced panel of 144 countries from 2002 to 2019, classified into developed and developing. In line with the economic growth and some of the environmental ef-ficiency literature, the study identified an inverse relationship between control of corruption and developing countries' environmental efficiency. This effect is statistically significant but marginal, while it is not statistically significant for developed countries. This finding expands the grease the wheel theory to environmental effi-ciency. Additionally, the effect of lagged environmental efficiencies on current environmental performance is strong and statistically significant, signifying the need for countries' commitment further to regulate energy consumption and its by-product, CO(2 )emissions.
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