The Convergence of Sulphur Dioxide (SO<sub>2</sub>) Emissions Per Capita in China
As the third-largest SO<sub>2</sub> emitter in the world, China is facing mounting domestic and external pressure to tackle the increasingly serious SO<sub>2</sub> pollution. Figuring out the convergence and persistence of sulfur dioxide (SO<sub>2</sub>) emissions...
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doaj-9f5a40f7d58e47d8be4beb5d9b97e7c62020-11-25T02:56:04ZengMDPI AGSustainability2071-10502020-02-01125178110.3390/su12051781su12051781The Convergence of Sulphur Dioxide (SO<sub>2</sub>) Emissions Per Capita in ChinaYu-Chen Zhang0Deng-Kui Si1Bing Zhao2Department of Finance, School of Economics, Qingdao University, Qingdao 266071, ChinaDepartment of Finance, School of Economics, Qingdao University, Qingdao 266071, ChinaDepartment of Finance, School of Economics, Qingdao University, Qingdao 266071, ChinaAs the third-largest SO<sub>2</sub> emitter in the world, China is facing mounting domestic and external pressure to tackle the increasingly serious SO<sub>2</sub> pollution. Figuring out the convergence and persistence of sulfur dioxide (SO<sub>2</sub>) emissions matters much for environmental policymakers in China. This study mainly utilizes the Fourier quantile unit root test to survey the convergence of the SO<sub>2</sub> emissions per capita in 74 cities of China during the period of December 2014 to June 2019, by conducting five traditional unit root tests and a quantile root unit test as a comparative analysis. The empirical results indicate that the SO<sub>2</sub> emissions per capita in 72 out of 74 cities in China are convergent in the sample period. The results also suggest that the unit root behavior of the SO<sub>2</sub> emissions per capita in these cities is asymmetrically persistent at different quantiles. For the cities with the convergent SO<sub>2</sub> emissions, the government should consider the asymmetric mean-reverting pattern of SO<sub>2</sub> emissions when implementing environmental protection policies at different stages. For Hefei and Nanjing, the local governments need to enact stricter environmental protection policies to control the emission of sulfur dioxide.https://www.mdpi.com/2071-1050/12/5/1781so<sub>2</sub> emissions per capitaquantile unit root testfourier quantile unit root testmean-reverting property |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Yu-Chen Zhang Deng-Kui Si Bing Zhao |
spellingShingle |
Yu-Chen Zhang Deng-Kui Si Bing Zhao The Convergence of Sulphur Dioxide (SO<sub>2</sub>) Emissions Per Capita in China Sustainability so<sub>2</sub> emissions per capita quantile unit root test fourier quantile unit root test mean-reverting property |
author_facet |
Yu-Chen Zhang Deng-Kui Si Bing Zhao |
author_sort |
Yu-Chen Zhang |
title |
The Convergence of Sulphur Dioxide (SO<sub>2</sub>) Emissions Per Capita in China |
title_short |
The Convergence of Sulphur Dioxide (SO<sub>2</sub>) Emissions Per Capita in China |
title_full |
The Convergence of Sulphur Dioxide (SO<sub>2</sub>) Emissions Per Capita in China |
title_fullStr |
The Convergence of Sulphur Dioxide (SO<sub>2</sub>) Emissions Per Capita in China |
title_full_unstemmed |
The Convergence of Sulphur Dioxide (SO<sub>2</sub>) Emissions Per Capita in China |
title_sort |
convergence of sulphur dioxide (so<sub>2</sub>) emissions per capita in china |
publisher |
MDPI AG |
series |
Sustainability |
issn |
2071-1050 |
publishDate |
2020-02-01 |
description |
As the third-largest SO<sub>2</sub> emitter in the world, China is facing mounting domestic and external pressure to tackle the increasingly serious SO<sub>2</sub> pollution. Figuring out the convergence and persistence of sulfur dioxide (SO<sub>2</sub>) emissions matters much for environmental policymakers in China. This study mainly utilizes the Fourier quantile unit root test to survey the convergence of the SO<sub>2</sub> emissions per capita in 74 cities of China during the period of December 2014 to June 2019, by conducting five traditional unit root tests and a quantile root unit test as a comparative analysis. The empirical results indicate that the SO<sub>2</sub> emissions per capita in 72 out of 74 cities in China are convergent in the sample period. The results also suggest that the unit root behavior of the SO<sub>2</sub> emissions per capita in these cities is asymmetrically persistent at different quantiles. For the cities with the convergent SO<sub>2</sub> emissions, the government should consider the asymmetric mean-reverting pattern of SO<sub>2</sub> emissions when implementing environmental protection policies at different stages. For Hefei and Nanjing, the local governments need to enact stricter environmental protection policies to control the emission of sulfur dioxide. |
topic |
so<sub>2</sub> emissions per capita quantile unit root test fourier quantile unit root test mean-reverting property |
url |
https://www.mdpi.com/2071-1050/12/5/1781 |
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