碳税和碳补贴对中国森林碳汇的影响

IF 4 2区 农林科学 Q1 ECONOMICS Forest Policy and Economics Pub Date : 2024-09-13 DOI:10.1016/j.forpol.2024.103316
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引用次数: 0

摘要

森林在减缓气候变化方面发挥着至关重要的作用。中国政府目前正在考虑利用碳税和补贴来激励森林固碳的潜力。这些政策对中国森林的影响,尤其是定量信息尚不清楚。为了填补这一空白,我们采用福斯特曼-哈特曼模型来研究政策与森林碳汇之间的关系。我们发现,由于延长了轮伐期,当碳价格从 0 元/吨CO2 增加到 400 元/吨CO2 时,政策将使中国的森林碳汇增加 1.99 吨CO2e/ha/yr ,对 2060 年碳中和目标的贡献率为 11.15%-17.31%。中国森林碳汇供给曲线缺乏弹性,平均弹性约为 0.08。与中南和东南沿海地区的某些省份相比,西北地区的政策实施对提高单位面积和总量的固碳潜力更为有效。东南地区的政策平均成本普遍较高,平均约为西北地区的 2.2 倍。然而,考虑到财政承受能力,中国东南部某些省份在经济上更为可行。这些发现具有重要的政策意义。
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The effect of carbon taxes and subsidies on forest carbon sequestration in China

Forests have a crucial role in mitigating climate change. The Chinese government is currently deliberating the utilization of carbon taxes and subsidies to incentivise the potential for forest carbon sequestration. The impact of the policies on China's forests, especially the quantitative information is unknown. To fill this gap, we follow the Faustmann-Hartman model to examine the relationship between the policies and forest carbon sequestration. We find that due to extending the rotation age, policies will increase China's forest carbon sequestration by 1.99 tCO2e/ha/yr, contributing 11.15%–17.31% to the 2060 carbon neutrality target, as the carbon price increases from 0 to 400 CNY/tCO2. China's forest carbon sequestration supply curve is inelastic, with an average elasticity of approximately 0.08. Policy implementation in the northwest region is more effective for the northwest region to improve carbon sequestration potential both per unit area and total amount, in contrast to certain provinces in the South Central and Southeast coastal regions. The average costs of the policy are generally higher in the southeast, averaging about 2.2 times higher than in the northwest. However, considering financial affordability, some southeast provinces in China are more economically feasible. These findings have important policy implications.

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来源期刊
Forest Policy and Economics
Forest Policy and Economics 农林科学-林学
CiteScore
9.00
自引率
7.50%
发文量
148
审稿时长
21.9 weeks
期刊介绍: Forest Policy and Economics is a leading scientific journal that publishes peer-reviewed policy and economics research relating to forests, forested landscapes, forest-related industries, and other forest-relevant land uses. It also welcomes contributions from other social sciences and humanities perspectives that make clear theoretical, conceptual and methodological contributions to the existing state-of-the-art literature on forests and related land use systems. These disciplines include, but are not limited to, sociology, anthropology, human geography, history, jurisprudence, planning, development studies, and psychology research on forests. Forest Policy and Economics is global in scope and publishes multiple article types of high scientific standard. Acceptance for publication is subject to a double-blind peer-review process.
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