Evaluating Interactions of Forest Conservation Policies on Avoided Deforestation
Evaluating Interactions of Forest Conservation Policies on Avoided Deforestation
复制标题
评估森林保护政策与避免毁林的相互作用
作者：
J. Robalino;Catalina Sandoval;D. Barton;Adriana Chacón;A. Pfaff
我们估计了 2000 年至 2005 年间哥斯达黎加公园与付款之间以及公园缓冲与付款之间的政策相互作用对森林砍伐的影响。我们表明，受保护和未受保护土地所在地区的特征存在显着差异。此外，我们发现每项政策及其相互作用地点的土地特征也存在显着差异。为了充分估计政策及其相互作用的影响，我们使用匹配方法。实施匹配不仅是为了像以前的研究一样定义足够的控制组，而且是为了定义受政策影响的位置组，这些组之间具有可比性。我们发现，将公园和付款地点设置在远离彼此的位置，而不是放在同一位置或彼此靠近的地方更有效。公园和有偿土地内的高水平执法，以及减少公园附近森林砍伐的保护溢出效应，大大减少了这两项政策相结合的潜在影响。
We estimate the effects on deforestation that have resulted from policy interactions between parks and payments and between park buffers and payments in Costa Rica between 2000 and 2005. We show that the characteristics of the areas where protected and unprotected lands are located differ significantly. Additionally, we find that land characteristics of each of the policies and of the places where they interact also differ significantly. To adequately estimate the effects of the policies and their interactions, we use matching methods. Matching is implemented not only to define adequate control groups, as in previous research, but also to define those groups of locations under the influence of policies that are comparable to each other. We find that it is more effective to locate parks and payments away from each other, rather than in the same location or near each other. The high levels of enforcement inside both parks and lands with payments, and the presence of conservation spillovers that reduce deforestation near parks, significantly reduce the potential impact of combining these two policies.