雨水收集:萨赫勒地区环境技术的采用
Harvesting the Rain: The Adoption of Environmental Technologies in the Sahel
Review of Economics and Statistics · 2024 · [{"name": "Jenny C. Aker", "affiliation": ["Tufts University", "Cornell University"]}, {"name": "B. Kelsey Jack", "affiliation": ["University of California, Santa Barbara"]}]
中文摘要
摘要 许多农业和环境技术需要前期投资, 这可能阻碍技术的采用, 尤其是在以信息、流动性和信贷约束为特征的环境中。我们检验了这些障碍对尼日尔一项有助于应对土地退化问题的农业技术采用的影响。我们发现几乎没有证据表明流动性或信贷约束会阻碍采用: 相反, 为农民提供培训使采用者比例提高了90多个百分点。有条件或无条件现金转移支付并无额外效应。在较长期内, 采用该技术提高了农业产出, 并减少了土地流转。在我们的研究情境中, 培训既提供了具体的技术知识, 也解决了行为约束问题。
Abstract
Abstract Many agricultural and environmental technologies require upfront investments. This may deter adoption, particularly in settings characterized by information, liquidity, and credit constraints. We test for these barriers to the adoption of an agricultural technique that helps address land degradation in Niger. We find little evidence that liquidity or credit constraints deter adoption: instead, providing farmers with training increases the share of adopters by over 90 percentage points. Conditional or unconditional cash transfers have no additional effect. Adoption increases agricultural output and reduces land turnover in the longer term. In our setting, training provides both specific technical knowledge and addresses behavioral constraints.