Côte科特迪瓦的毁林和林地利用:政策和财政手段

W. Djezou
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引用次数: 0

摘要

摘要:本文调查了推动科特迪瓦森林可持续管理的政策,这些政策以每年25万公顷的速度消失。基于林地三种竞争用途的跨期优化配置模型,本文发现可持续性取决于激励结构,其中森林税费是关键因素,但显然不是唯一因素。该研究建议通过考虑森林采伐者和农民产生的环境外部性来提高地区费水平。研究表明,面积费是森林自然更新率和农业地表再转化率的递减函数。最后,在给定森林自然更新率和农业地表再转换率的情况下,该模型认为,在生态平衡打破的情况下,面积费需要累进(等差级数),而在正常情况下,面积费应保持不变。关键词:财政政策,面积费,机会成本,土地配置模型,最优控制
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Deforestation and Forest land Use in Côte d'Ivoire: Policy and Fiscal Instruments
Abstract This paper investigated policies that drive the sustainable management of Ivorian forest which disappear at an annual rate of 250000 hectares. Based on an inter-temporal model for optimum allocation of forest land to three competing uses, the article found that sustainability depends on the incentive structure, of which forest taxes and fees are a key, though obviously not the sole, component. The study proposed to increase the area fee level by accounting for environmental externalities generated by forest harvesters and farmers. The paper showed that the area fee is a decreasing function of the forest natural rate of regeneration and the reconversion rate of agricultural surfaces. Finally, at the given forest natural rate of regeneration and the reconversion rate of agricultural surfaces, the model argued that the area fee need to be progressive (arithmetic progression) in the context of ecological equilibrium break while it should remain constant in normal situation.Key Words: fiscal policy, area fee, opportunity cost, land allocation model, optimal control
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