期刊
SUSTAINABILITY
卷 13, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/su13063319
关键词
carbon emissions; population structure; time series; ridge regression; China
资金
- MOE (Ministry of Education in China) Project of Humanities and Social Sciences [18YJC630128]
- Chinese Postdoctoral Science Foundation [2020M681052]
- Social Science Fund Project of Jilin Province, China [2018BS33, 2017B032]
- Social Science Fund Project of the 13th Five-Year of Education Department of Jilin Province, China [JJKH20190736SK]
The study revealed that changes in population size, age structure, and employment structure in China will lead to an increase in carbon emissions, while changes in population consumption structure have a negative impact on carbon emissions. Therefore, implementing the one-child policy to control population growth and strengthening policy guidance and market incentives for employment and consumption structures are crucial steps to optimize the population structure and effectively reduce carbon emissions.
This study focuses on the impact of population structure changes on carbon emissions in China from 1995 to 2018. This paper constructs the multiple regression model and uses the ridge regression to analyze the relationship between population structure changes and carbon emissions from four aspects: population size, population age structure, population consumption structure, and population employment structure. The results showed that these four variables all had a significant impact on carbon emissions in China. The ridge regression analysis confirmed that the population size, population age structure, and population employment structure promoted the increase in carbon emissions, and their contribution ratios were 3.316%, 2.468%, 1.280%, respectively. However, the influence of population consumption structure (-0.667%) on carbon emissions was negative. The results showed that the population size had the greatest impact on carbon emissions, which was the main driving factor of carbon emissions in China. Chinese population will bring huge pressure on the environment and resources in the future. Therefore, based on the comprehensive analysis, implementing the one-child policy will help slow down China's population growth, control the number of populations, optimize the population structure, so as to reduce carbon emissions. In terms of employment structure and consumption structure, we should strengthen policy guidance and market incentives, raising people's low-carbon awareness, optimizing energy-consumption structure, improving energy efficiency, so as to effectively control China's carbon emissions.
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