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出口技术复杂度对中国林产工业碳排放的影响研究

Impact of Export Technology Complexity on Carbon Emissions of Forestry Industry in China

  • 摘要: 面对中国林产工业长期存在的出口产品质量与技术结构问题,研究林产品出口技术复杂度对碳排放的影响对于实现碳减排具有重要意义。基于此,本文首先利用Hausmann模型计算2011—2020年中国林产工业细分林产品出口技术复杂度,用该指数衡量林产工业出口结构,其次利用联合国政府间气候变化专门委员会的方法对中国林产工业的碳排放进行具体测算,最后构建随机效应模型,对出口技术复杂度及其效应与碳排放的关系进行实证分析。结果表明,中国林产品出口技术复杂度较低且提升迟缓,且林产工业碳排放总量巨大,特别是纸和纸制品细分行业产生的碳排放较多;中国林产品出口技术复杂度提升对碳减排具有消极影响,但其产生的规模效应、结构效应、技术效应与FDI效应对于碳减排具有显著的正向作用。针对研究结果提出以下建议:不断调整林产工业产业结构,提高技术含量,促进出口技术复杂度提升;建立林产品碳贸易减排机制,包括碳限额与碳关税;改进行业要素结构,利用技术进步提升能源利用率。

     

    Abstract: Given the longstanding issues with export product quality and technical structure in China's forestry industry, examining the impact of export technological complexity on carbon emissions is essential for achieving carbon reduction goals. To this end, this study first applies the Hausmann model to calculate the export technological complexity of China's forestry industry and its sub-sectors from 2011 to 2020, using this index to assess the industry's export structure. Next, the study employs the methods outlined by the Intergovernmental Panel on Climate Change (IPCC) to estimate carbon emissions specific to China's forestry industry. Finally, a random effects model is constructed to conduct an empirical analysis of the relationship between export technological complexity, its effects, and carbon emissions. The results indicate that China's forestry industry exhibits low export technological complexity with slow improvements, while the total carbon emissions of the industry are substantial, particularly in the paper and paper products sub-sector. Although increasing the export technological complexity in China's forestry industry negatively impacts carbon reduction, the scale effect, structural effect, technological effect, and FDI effect generated by this complexity have significant positive effects on carbon reduction. Based on these findings, the following recommendations are proposed: Continuously adjust the industry structure of the forestry sector, enhance technical content, and promote the growth of export technological complexity; Establish a carbon trade and reduction mechanism for forestry products, including carbon quotas and carbon tariffs; Improve the structure of industry inputs and leverage technological progress to enhance energy efficiency.

     

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