The unexpected effects of daylight-saving time: Traffic accidents in Mexican municipalities

Objective: Several countries implement the daylight saving time (DST) policy for energy saving purposes. However, by artificially changing the distribution of daylight, this practice can have unforeseen effects. The objective of this work is to measure the impact of DST on road accidents in Mexico....

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Autores: Hugo Salas Rodríguez, Pedro Ignacio Hancevic
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:México
Institución:Centro de Investigación y Docencia Económicas, A.C.
Repositorio:Redalyc-CIDE
OAI Identifier:oai:redalyc.org:125075173001
Acceso en línea:https://www.redalyc.org/articulo.oa?id=125075173001
https://www.redalyc.org/journal/1250/125075173001/
https://www.redalyc.org/journal/1250/125075173001/html/
https://www.redalyc.org/journal/1250/125075173001/125075173001.epub
https://www.redalyc.org/journal/1250/125075173001/movil
Access Level:acceso abierto
Palabra clave:Economía y Finanzas
in
difference
differences
Traffic accidents
daylight saving time
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spelling The unexpected effects of daylight-saving time: Traffic accidents in Mexican municipalitiesHugo Salas RodríguezPedro Ignacio HancevicEconomía y FinanzasindifferencedifferencesTraffic accidentsdaylight saving timeObjective: Several countries implement the daylight saving time (DST) policy for energy saving purposes. However, by artificially changing the distribution of daylight, this practice can have unforeseen effects. The objective of this work is to measure the impact of DST on road accidents in Mexico. Methodology: Using hourly data, two empirical strategies are used: regression discontinuity (RDD) and difference-in-differences (DD).Results: The main finding is that DST significantly reduces the total number of accidents in metropolitan areas. However, there are no clear effects on the number of fatal accidents.Limitations/Implications: DST is implemented regardless of demand conditions and the economic cycle. Seasonal changes in prices and production can be difficult to capture before and after the time change. We introduce variables that mitigate the (potential) identification problem.Originality: this is the only study measuring these effects in Mexico (and one of the few with data from emerging countries).Conclusions: The DST is currently being discussed in Mexico, and our study offers a more comprehensive evaluation of the policy, not only from the standpoint of energy efficiency.JEL: O18, R41, D04Universidad de Guadalajara2023info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdf1870-6622https://www.redalyc.org/articulo.oa?id=125075173001https://www.redalyc.org/journal/1250/125075173001/https://www.redalyc.org/journal/1250/125075173001/html/https://www.redalyc.org/journal/1250/125075173001/125075173001.epubhttps://www.redalyc.org/journal/1250/125075173001/movil10.18381/eq.v20i1.7268EconoQuantum (México) Num.1 Vol.20reponame:Redalyc-CIDEinstname:Centro de Investigación y Docencia Económicas, A.C.instacron:CIDEenhttp://www.redalyc.org/revista.oa?id=1250EconoQuantuminfo:eu-repo/semantics/openAccessoai:redalyc.org:1250751730012024-08-23T18:15:22Z
dc.title.none.fl_str_mv The unexpected effects of daylight-saving time: Traffic accidents in Mexican municipalities
title The unexpected effects of daylight-saving time: Traffic accidents in Mexican municipalities
spellingShingle The unexpected effects of daylight-saving time: Traffic accidents in Mexican municipalities
Hugo Salas Rodríguez
Economía y Finanzas
in
difference
differences
Traffic accidents
daylight saving time
title_short The unexpected effects of daylight-saving time: Traffic accidents in Mexican municipalities
title_full The unexpected effects of daylight-saving time: Traffic accidents in Mexican municipalities
title_fullStr The unexpected effects of daylight-saving time: Traffic accidents in Mexican municipalities
title_full_unstemmed The unexpected effects of daylight-saving time: Traffic accidents in Mexican municipalities
title_sort The unexpected effects of daylight-saving time: Traffic accidents in Mexican municipalities
dc.creator.none.fl_str_mv Hugo Salas Rodríguez
Pedro Ignacio Hancevic
author Hugo Salas Rodríguez
author_facet Hugo Salas Rodríguez
Pedro Ignacio Hancevic
author_role author
author2 Pedro Ignacio Hancevic
author2_role author
dc.subject.none.fl_str_mv Economía y Finanzas
in
difference
differences
Traffic accidents
daylight saving time
topic Economía y Finanzas
in
difference
differences
Traffic accidents
daylight saving time
description Objective: Several countries implement the daylight saving time (DST) policy for energy saving purposes. However, by artificially changing the distribution of daylight, this practice can have unforeseen effects. The objective of this work is to measure the impact of DST on road accidents in Mexico. Methodology: Using hourly data, two empirical strategies are used: regression discontinuity (RDD) and difference-in-differences (DD).Results: The main finding is that DST significantly reduces the total number of accidents in metropolitan areas. However, there are no clear effects on the number of fatal accidents.Limitations/Implications: DST is implemented regardless of demand conditions and the economic cycle. Seasonal changes in prices and production can be difficult to capture before and after the time change. We introduce variables that mitigate the (potential) identification problem.Originality: this is the only study measuring these effects in Mexico (and one of the few with data from emerging countries).Conclusions: The DST is currently being discussed in Mexico, and our study offers a more comprehensive evaluation of the policy, not only from the standpoint of energy efficiency.JEL: O18, R41, D04
publishDate 2023
dc.date.none.fl_str_mv 2023
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv 1870-6622
https://www.redalyc.org/articulo.oa?id=125075173001
https://www.redalyc.org/journal/1250/125075173001/
https://www.redalyc.org/journal/1250/125075173001/html/
https://www.redalyc.org/journal/1250/125075173001/125075173001.epub
https://www.redalyc.org/journal/1250/125075173001/movil
10.18381/eq.v20i1.7268
identifier_str_mv 1870-6622
10.18381/eq.v20i1.7268
url https://www.redalyc.org/articulo.oa?id=125075173001
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https://www.redalyc.org/journal/1250/125075173001/html/
https://www.redalyc.org/journal/1250/125075173001/125075173001.epub
https://www.redalyc.org/journal/1250/125075173001/movil
dc.language.none.fl_str_mv en
language_invalid_str_mv en
dc.relation.none.fl_str_mv http://www.redalyc.org/revista.oa?id=1250
dc.rights.none.fl_str_mv EconoQuantum
info:eu-repo/semantics/openAccess
rights_invalid_str_mv EconoQuantum
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidad de Guadalajara
publisher.none.fl_str_mv Universidad de Guadalajara
dc.source.none.fl_str_mv EconoQuantum (México) Num.1 Vol.20
reponame:Redalyc-CIDE
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instacron:CIDE
instname_str Centro de Investigación y Docencia Económicas, A.C.
instacron_str CIDE
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