Faculty of Economics and Administrative Sciences, Department of Economics, Kirsehir Ahi Evran University, Kirsehir, Turkey.
Environ Sci Pollut Res Int. 2019 May;26(14):14562-14569. doi: 10.1007/s11356-019-04835-6. Epub 2019 Mar 14.
The goals of this paper are to examine whether the environmental Kuznets curve (EKC) holds and to investigate whether renewable energy consumption can decrease CO emissions in the USA using monthly data spanning the period 2000:M01-2018:M07. For these purposes, the paper employs a cointegration test with a regime shift and observes the long-run coefficients before and after the regime shift. The findings support the presence of the EKC. The findings also indicate that renewable energy consumption has negative effects on CO emissions, while these effects are greater when the share of renewable energy consumption in total energy consumption is higher in the USA. Theoretical and practical implications for these findings are discussed.
本文旨在检验环境库兹涅茨曲线（EKC）是否成立，并利用美国 2000 年 1 月至 2018 年 7 月的月度数据，研究可再生能源消费能否减少美国的 CO2 排放。为此，本文采用带有体制转变的协整检验，并观察体制转变前后的长期系数。研究结果支持 EKC 的存在。研究结果还表明，可再生能源消费对 CO2 排放有负面影响，而当美国可再生能源消费在总能源消费中的份额较高时，这种影响更大。讨论了这些发现的理论和实际意义。
