Green infrastructure (GI), practices consisting of using vegetation and soil to manage stormwater runoff (e.g., rain gardens, vegetated roofs, bioswales, etc.), has been adopted by cities across the world to help address aging water infrastructure, water quality, excess water quantity, and urban planning needs. Although GI's contribution to stormwater control and management has been extensively studied, the economic value of its benefits is less known. In Omaha, NE, GI projects have been completed in several public parks. Using a repeat-sales model based on 2000-2018 housing data, we examined the effect of GI on the value of single-family homes within various buffer distances of parks where GI was installed. After controlling for changes associated with home deterioration and renovation, non-stationary location effects, and time-invariant characteristics, we did not find any statistically significant relationships between housing values and GI. This finding is consistent with the notion that homeowners place little value on modifications to existing greenspace, but may also stem from homeowners' lack of familiarity with GI practices or data limitations.

中文翻译：

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研究绿色基础设施对内布拉斯加州奥马哈住宅销售价格的影响


绿色基础设施（GI）是利用植被和土壤来管理雨水径流（例如雨水花园、植被屋顶、生物洼地等）的做法，已被世界各地的城市采用，以帮助解决老化的水基础设施、水质、过剩水量和城市规划需求。尽管地理标志对雨水控制和管理的贡献已被广泛研究，但其效益的经济价值却鲜为人知。在内布拉斯加州奥马哈，多个公园的地理标志项目已经完成。我们使用基于 2000-2018 年住房数据的重复销售模型，研究了 GI 对安装 GI 的公园不同缓冲距离内的单户住宅价值的影响。在控制了与房屋恶化和翻新、非平稳位置效应和时不变特征相关的变化后，我们没有发现住房价值和 GI 之间存在任何统计上显着的关系。这一发现与房主不太重视对现有绿地的改造的观念是一致的，但也可能源于房主对地理标志实践或数据限制缺乏熟悉。