Uber's impact on traffic accidents is a lesson in calculating social benefit
- Written by Richard Holden, Professor of Economics, UNSW

Uber has been great for some people and bad for others.
It has been good for its founders and investors. It has been good for riders who get a convenient and well-priced new way to travel. And it has been good for some drivers who want flexible work.
On the other hand, taxi drivers have clearly lost out. Uber has put a...