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Saving lives: the 2006 expansion of daylight saving in Indiana

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  • Adam Cook

    (SUNY at Fredonia)

Abstract

Using data provided by the Indiana State Department of Vital Statistics, this study examines the mortality effects of daylight saving time observance using the April 2006 expansion of daylight saving time in Indiana as a natural experiment. The expansion of daylight saving time to all Indiana counties lowered the average mortality rate in the treatment counties during the months in which daylight saving time was observed. Stratified demographic analyses indicate that daylight saving time reduced mortality among males, females, and whites, but only among those aged 65 years and older. Specific-cause analysis indicates that daylight saving time lowered mortality primarily via reduced cancer mortality. The results of this study suggest a novel solar UVB-vitamin D mechanism could be responsible for the reduction in treatment county mortality following the expansion of daylight saving time in Indiana.

Suggested Citation

  • Adam Cook, 2022. "Saving lives: the 2006 expansion of daylight saving in Indiana," Journal of Population Economics, Springer;European Society for Population Economics, vol. 35(3), pages 861-891, July.
    • Handle: RePEc:spr:jopoec:v:35:y:2022:i:3:d:10.1007_s00148-021-00833-6
    DOI: 10.1007/s00148-021-00833-6
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    References listed on IDEAS

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    1. Joan Costa‐Font & Sarah Fleche & Ricardo Pagan, 2024. "The welfare effects of time reallocation: evidence from Daylight Saving Time," Economica, London School of Economics and Political Science, vol. 91(362), pages 547-568, April.

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    More about this item

    Keywords

    Cancer; Daylight saving; Mortality; Natural experiment; Vitamin D;
    All these keywords.

    JEL classification:

    • C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data; Spatio-temporal Models
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • J10 - Labor and Demographic Economics - - Demographic Economics - - - General

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