阻止亚马逊地区的森林砍伐:环境监测和执法

IF 5.5 1区经济学 Q1 ECONOMICS

American Economic Journal-Applied Economics Pub Date : 2023-04-01 DOI:10.1257/app.20200196

J. Assunção, Clarissa Gandour, Romero Rocha

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引用次数: 8

摘要

我们研究了巴西最近利用卫星技术来克服因制度环境薄弱而导致的执法缺陷。DETER是一个处理卫星图像并发布近乎实时的森林砍伐警报的系统，以针对亚马逊地区的环境执法。我们提出了一种新的工具变量方法来估计执法对森林砍伐的影响。云层限制了威慑探测清除的能力，作为环境当局存在的外生变化的来源。调查结果表明，监测和执法有效地遏制了森林砍伐。结果跨越几个稳健性检查。(jel k32, k42, o13, q23, q28, q54, q58)

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DETER-ing Deforestation in the Amazon: Environmental Monitoring and Law Enforcement

We study Brazil's recent use of satellite technology to overcome law enforcement shortcomings resulting from weak institutional environments. DETER is a system that processes satellite imagery and issues near-real-time deforestation alerts to target environmental enforcement in the Amazon. We propose a novel instrumental variable approach for estimating enforcement's impact on deforestation. Clouds limiting DETER's capacity to detect clearings serve as a source of exogenous variation for the presence of environmental authorities. Findings indicate that monitoring and enforcement effectively curb deforestation. Results hold across several robustness checks. (JEL K32, K42, O13, Q23, Q28, Q54, Q58)

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来源期刊

American Economic Journal-Applied Economics ECONOMICS-

CiteScore

9.10

自引率

1.60%

发文量

期刊介绍： American Economic Journal: Applied Economics publishes papers covering a range of topics in applied economics, with a focus on empirical microeconomic issues. In particular, we welcome papers on labor economics, development microeconomics, health, education, demography, empirical corporate finance, empirical studies of trade, and empirical behavioral economics.