New Report. Ride Share Increases Fatal Accidents. The Numbers.

The researchers:

• John Barrios of the University of Chicago
• Yael Hochberg and Livia Hanyi Yi of Rice University

The numbers:

• When ride share beings operating in a city, fatal accidents increase by 2-3%

The method:

• official statistics from the National Highway Traffic Safety Administration
• overlaid with the dates Uber or Lyft began operating in a city
•  compared to accident rates in those cities per vehicle miles traveled 

Business Insider | The meteoric rise of Uber and Lyft may have spurred a deadly outcome, according to new research