生产禁令的意外后果:2018 年肯尼亚暂停伐木的案例

Anne L. Bartlett, J. Alix-Garcia, Alejandro Abarca, Sarah Walker, Jamon Van Den Hoek, Paulo J. Murillo-Sandoval, Hannah K. Friedrich
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引用次数: 0

摘要

生产禁令是政府解决社会关切问题的一种常见方式。然而,当消费者对被禁物品的需求对价格变化不敏感时,跨境贸易可能会破坏这些努力。我们研究了肯尼亚 2018 年暂停从公共和社区森林中提取木制品(包括原木和木炭)的影响。数据显示,肯尼亚国内木炭价格立即上涨了 36%,而该国超过 80% 的消费者将木炭作为主要能源。随后,我们记录了在禁令实施的前 6 个月,从乌干达到肯尼亚的木炭进口量增加了 133%。此外,我们估计肯尼亚避免的森林砍伐很可能转移到了乌干达,从而增加了净碳排放量。这些发现表明,禁令作为一种减少温室气体排放和森林砍伐造成的生物多样性损失的机制是无效的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The unintended consequences of production bans: the case of the 2018 Kenya logging moratorium
Production bans are a common way for governments to address issues of social concern. However, when consumer demand for banned items is insensitive to price changes, cross-border trade may undermine these efforts. We examine the effects of Kenya's 2018 moratorium on the extraction of wood products, including logs and charcoal, from public and community forests. The data show an immediate 36% increase in the domestic charcoal price in Kenya, where over 80% of consumers use it as their primary energy source. Subsequently, we document an increase of 133\% percent in charcoal imports from Uganda to Kenya during the first 6 months of the ban. Further, we estimate that avoided deforestation in Kenya was likely displaced to Uganda such that net carbon emissions increased. These findings demonstrate the ineffectiveness of the ban as a mechanism to decrease greenhouse gas emissions and biodiversity loss from deforestation.
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