YANG Xue,HE Yu-cheng,YAN Gui-quan.Growth and Decomposition of China′s Soybean Total Factor Productivity Under Carbon Emissions[J].Soybean Science,2019,38(03):460-468.[doi:10.11861/j.issn.1000-9841.2019.03.0460]
碳排放约束下中国大豆全要素生产率增长与分解
- Title:
- Growth and Decomposition of China′s Soybean Total Factor Productivity Under Carbon Emissions
- 关键词:
- 大豆; 碳排放; 全要素生产率; Malmquist-Luenberger 生产率指数
- Keywords:
- Soybean; Carbon emissions; Total factor productivity; Malmquist-Luenberger productivity index
- 文献标志码:
- A
- 摘要:
- 本文将碳排放纳入大豆全要素生产率分析框架,为实现大豆低碳生产提供参考依据。首先测算并分析2006-2016年中国大豆主产区碳排放量和密度的时空特征,然后利用基于方向性距离函数的Malmquist-Luenberger指数测度碳排放约束下2006-2016年中国大豆主产区11 个省市全要素生产率。结果表明:2016年中国大豆碳排放量较2006年降低11.70%,年均负增长1.24%,而碳排放密度较2006年增长14.02%,年均增长1.32%,皆呈先升后降的趋势。按省份比较,黑龙江和内蒙古碳排放量最多,吉林和山西碳排放密度最大。2006-2016年碳排放约束下中国大豆全要素生产率年均增长2.32%,其中技术效率年均提升0.6%,前沿技术进步年均增长1.66%,中国大豆全要素生产率增长主要依靠前沿技术进步拉动,技术效率提升作用不明显。从地区分布看,碳排放约束下中国大豆全要素生产率存在地区不平衡现象,西部地区增长最快,东部地区增长最慢,各省市全要素生产率增长模式存在差异。中国大豆主产区缺少“环境技术创新者”。根据结果本研究提出提高中国大豆全要素生产率的政策建议。
- Abstract:
- In the paper, incorporating carbon emissions into the soybean total factor producticity analysis framework to provide reference for low carbon production in soybeans. The spatial and temporal characteristics of carbon emissions and density in China′s major soybean producing areas from 2006 to 2016 are measured and analyzed, and then the Malmquist- Luenberger productivity index based on directional distance function was used. The law estimated the total factor productivity of 11 provinces and cities in China′s major soybean producing areas in 2006-2016 under carbon emission constraints. The results showed that in 2016, China′s soybean carbon emissions decreased by 11.70% compared with 2006, with an average annual negative growth of 1.24%, while carbon emission density increased by 14.02% compared with 2006, with an average annual growth of 1.32%, both of which showed a trend of rising firstly and then decreasing. From a regional perspective, Heilongjiang and Inner Mongolia had the largest carbon emissions, while Jilin and Shanxi had the highest carbon emission density. Under the carbon emission constraints of 2006-2016, China′s soybean total factor productivity grew at an average annual rate of 2.32%, of which technical efficiency improved by 0.6% annually, and cutting-edge technological progress increased by 1.66% annually. It showed that the growth of China′s soybean total factor productivity mainly depends on the contribution of cutting-edge technological progress, and the improvement of technical efficiency was not obvious. From the perspective of geographical distribution, there was a regional imbalance in China′s soybean total factor productivity under carbon emission constraints. The western region had the fastest growth, while the eastern region had the slowest growth, and there were differences in the total factor productivity growth patterns of various provinces and cities. The main soybean producing areas in China are lacking of ‘Environmental Technology Innovators’. According to the research conclusions, some policy recommendations were proposed to improve the total factor productivity of soybean in China.
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备注/Memo
收稿日期:2018-12-30