The Voltage Effect: How to Make Good Ideas Great and Great Ideas Scale

Article Quote: In 1968, a flagship federal law was passed requiring all personal vehicles to be outfitted with seatbelts. The argument was that it would stop a tremendous number of traffic fatalities. Flash forward to 1975 and my colleague Sam Peltzman examined mounds of data, concluding, “One result that can be put forward most confidently is that auto safety regulation has not affected the highway death rate.”