Name File Type Size Last Modified
Analysis.do text/plain 30.6 KB 10/13/2019 03:42:AM
EA_FARS.dta application/octet-stream 107 KB 10/13/2019 03:42:AM
EA_allcrashes.dta application/octet-stream 30.2 KB 10/13/2019 03:42:AM
FARS87_07.dta application/octet-stream 16.7 MB 10/13/2019 03:42:AM
MIT.dta application/octet-stream 2.1 MB 10/13/2019 03:42:AM
Read-Me.pdf application/pdf 346.1 KB 10/13/2019 03:42:AM
SDS-State-Contact-List.DOC application/msword 62 KB 10/13/2019 03:42:AM
TNS.dta application/octet-stream 34.6 MB 10/13/2019 03:42:AM
VMT.dta application/octet-stream 9.7 KB 10/13/2019 03:42:AM
allcrashes.dta application/octet-stream 116.4 MB 10/13/2019 03:42:AM

Project Description

Summary:  View help for Summary We investigate the causal link between driver cell phone use and crash rates by exploiting a natural experiment induced by the 9 pm price discontinuity that characterizes a majority of recent cellular plans. We first document a 7.2 percent jump in driver call likelihood at the 9 pm threshold. Using a prior period as a comparison, we next document no corresponding change in the relative crash rate. Our estimates imply an upper bound in the crash risk odds ratio of 3.0, which rejects the 4.3 asserted by Redelmeier and Tibshirani (1997). Additional panel analyses of cell phone ownership and cellular bans confirm our result.

Scope of Project

JEL Classification:  View help for JEL Classification
      R41 Transportation: Demand, Supply, and Congestion; Travel Time; Safety and Accidents; Transportation Noise


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