Econ Papers Daily / 期刊论文
住宅能源改造项目的邻里溢出效应
Neighborhood Spillovers from Residential Energy Retrofit Programs
摘要
We estimate neighborhood spillovers in energy consumption using data from Canada’s largest residential energy retrofit program. Identification exploits variation in retrofit timing by comparing neighbors of retrofitted homes with neighbors of “Almost retrofitted” homes that completed a pre-retrofit audit but did not undertake upgrades. We find that neighboring homes reduce natural gas consumption by 1.2% in the short run and 1.4% in the long run, while electricity consumption falls by 1% in the long run. Spillovers persist for more than a decade and are more than five times larger for highly visible retrofits, suggesting conventional evaluations substantially understate program benefits.
中文摘要
我们利用加拿大最大的住宅能源改造项目的数据，估计了能源消费中的邻里溢出效应。识别策略利用了改造时间上的差异，将已改造住宅的邻居与“几乎完成改造”住宅的邻居进行比较，后者完成了改造前审计但未进行升级。我们发现，邻近住宅在短期内将天然气消费减少了1.2%，长期内减少了1.4%，而电力消费在长期内下降了1%。溢出效应持续超过十年，并且对于高度可见的改造而言，其规模超过五倍，这表明传统评估大幅低估了项目收益。