Before revision:  Through a case study for San Francisco, we show that the time-based congestion surcharge offers a Pareto improvement. It leads to higher passenger surplus, higher driver surplus, higher platform profits, and higher tax revenue for the city.
After revision:  Through a case study for San Francisco, we show that the time-based charge is found to be Pareto superior to the trip-based charge as it yields higher passenger surplus, higher driver surplus, higher platform profits, and higher tax revenue for the city.