| 来源类型 | Working Paper |
| 规范类型 | 报告 |
| DOI | 10.3386/w14429 |
| 来源ID | Working Paper 14429 |
| Does Daylight Saving Time Save Energy? Evidence from a Natural Experiment in Indiana | |
| Matthew J. Kotchen; Laura E. Grant | |
| 发表日期 | 2008-10-21 |
| 出版年 | 2008 |
| 语种 | 英语 |
| 摘要 | The history of Daylight Saving Time (DST) has been long and controversial. Throughout its implementation during World Wars I and II, the oil embargo of the 1970s, consistent practice today, and recent extensions, the primary rationale for DST has always been to promote energy conservation. Nevertheless, there is surprisingly little evidence that DST actually saves energy. This paper takes advantage of a natural experiment in the state of Indiana to provide the first empirical estimates of DST effects on electricity consumption in the United States since the mid-1970s. Focusing on residential electricity demand, we conduct the first-ever study that uses micro-data on households to estimate an overall DST effect. The dataset consists of more than 7 million observations on monthly billing data for the vast majority of households in southern Indiana for three years. Our main finding is that -- contrary to the policy's intent -- DST increases residential electricity demand. Estimates of the overall increase are approximately 1 percent, but we find that the effect is not constant throughout the DST period. DST causes the greatest increase in electricity consumption in the fall, when estimates range between 2 and 4 percent. These findings are consistent with simulation results that point to a tradeoff between reducing demand for lighting and increasing demand for heating and cooling. We estimate a cost of increased electricity bills to Indiana households of $9 million per year. We also estimate social costs of increased pollution emissions that range from $1.7 to $5.5 million per year. Finally, we argue that the effect is likely to be even stronger in other regions of the United States. |
| 主题 | Public Economics ; Public Goods ; Environmental and Resource Economics ; Energy ; Environment |
| URL | https://www.nber.org/papers/w14429 |
| 来源智库 | National Bureau of Economic Research (United States) |
| 引用统计 | |
| 资源类型 | 智库出版物 |
| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/572104 |
| 推荐引用方式 GB/T 7714 | Matthew J. Kotchen,Laura E. Grant. Does Daylight Saving Time Save Energy? Evidence from a Natural Experiment in Indiana. 2008. |
| 条目包含的文件 | ||||||
| 文件名称/大小 | 资源类型 | 版本类型 | 开放类型 | 使用许可 | ||
| w14429.pdf（251KB） | 智库出版物 | 限制开放 | CC BY-NC-SA | 浏览 | ||
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