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The effect of directed technical change on carbon dioxide emissions: evidence from China’s industrial sector at the provincial level

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Abstract

Technical change has a pivotal role to play in low-carbon development. Recent research has offered different insights regarding the effect of technical change on CO2 emissions but ignored the bias of technical changes which lead to changes in CO2 emissions. To fill the gap, this paper uses the 2008 to 2015 provincial-level data on China’s 22 industrial sub-sectors to investigate both the effect of directed technical change on CO2 emissions and its heterogeneity. We find that the technical change in most industrial sectors in China was capital-biased, although a labor-biased trend was evident. Labor-biased technical change is conducive to CO2 reduction, while capital-biased technical change has the opposite effect. Moreover, this effect is different by developmental periods, industries, and regions. Therefore, we propose that the government promotes labor-biased technical change based on the differentiated characteristics.

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Fig. 1
Fig. 2

source from 2008 to 2015 in China

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Notes

  1. Since the CO2 emissions data from the China Emission Accounts and Datasets are only updated to 2015, for data consistency, the paper uses data from 2008–2015 to measure technical progress bias.

  2. Taking into account data integrity, this paper uses the data of China’s 22 industrial sub-sectors in 30 provinces of mainland China except for Tibet. For detail of the industrial classification for national economic activities of China, see: http://www.stats.gov.cn/tjsj/tjbz/hyflbz/201710/t20171012_1541679.html

  3. The capital-labor substitution elasticity of mining and processing of non-ferrous metal ores and manufacture of chemical fibers are close to 0, so we think they are neutral technical change.

  4. The Eastern region includes Beijing, Tianjin, Hebei, Shanghai, Jiangsu, Zhejiang, Fujian, Shandong, Guangdong, Hainan; The Central region includes Shanxi, Liaoning, Jilin, Heilongjiang, Anhui, Jiangxi, Hubei, Hunan; The Western region includes Inner Mongolia, Guangxi, Chongqing, Sichuan, Guizhou, Yunnan, Shaanxi, Gansu, Qinghai, Ningxia, Xinjiang.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (grant no. 71673145).

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Correspondence to Liang Liu.

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Liu, L., Li, L. The effect of directed technical change on carbon dioxide emissions: evidence from China’s industrial sector at the provincial level. Nat Hazards 107, 2463–2486 (2021). https://doi.org/10.1007/s11069-020-04437-3

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