Economist Dr. Lindberg argues that ride-sharing services have not increased overall traffic congestion in major cities, contrary to common claims, because they have replaced private car trips that would have occurred anyway.
Which finding, if true, would most strongly support Dr. Lindberg's argument?
- A
Ride-sharing has grown rapidly in popularity over the past decade.
- B
Some ride-sharing drivers commute long distances to work.
- Ccheck_circle
Total vehicle-miles traveled in several major cities have remained nearly flat since ride-sharing was introduced, while private car ownership has fallen.
- D
Many ride-sharing trips occur in the evening.
Explanation
A reports stable vehicle-miles alongside reduced private car ownership, supporting the substitution claim. B, C, and D are tangential.