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Project Citation: 

Smith, Austin C. Replication data for: Spring Forward at Your Own Risk: Daylight Saving Time and Fatal Vehicle Crashes. Nashville, TN: American Economic Association [publisher], 2016. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2019-10-12. https://doi.org/10.3886/E113608V1

Project Description

Summary:  View help for Summary Daylight Saving Time (DST) impacts over 1.5 billion people, yet many of its impacts on practicing populations remain uncertain. Exploiting the discrete nature of DST transitions and a 2007 policy change, I estimate the impact of DST on fatal automobile crashes. My results imply that from 2002-2011 the transition into DST caused over 30 deaths at a social cost of $275 million annually. Employing four tests to decompose the aggregate effect into an ambient light or sleep mechanism, I find that shifting ambient light only reallocates fatalities within a day, while sleep deprivation caused by the spring transition increases risk. (JEL I12, Q48, R41)

Scope of Project

Subject Terms:  View help for Subject Terms Automobile Crashes
JEL Classification:  View help for JEL Classification
      I12 Health Behavior
      Q48 Energy: Government Policy
      R41 Transportation: Demand, Supply, and Congestion; Travel Time; Safety and Accidents; Transportation Noise
Geographic Coverage:  View help for Geographic Coverage Contiguous United States
Time Period(s):  View help for Time Period(s) 1976 – 2011

Methodology

Data Source:  View help for Data Source Fatality Analysis Reporting System (FARS) 1976-2011

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