00510nam a2200133Ia 450000500170000008000110001710000220002824500430005026000090009352002300010258300210033294200060035399900170035920260716044051.0  aSerial  aBhargava, Saurabh  aDriving under the (cellular) influence  c2013  aInvestigates the causal link between driver cell phone use and crash rates by exploiting a natural experiment induced by the change in cellular plans - a discontinuity in the marginal price of a phone call at 9pm on weekdays.  c10/7/13kSANDRAW  cA  c59810d59810