Even if there was any evidence that a car sharing program might help alleviate the "final mile" issue, it should not proceed unless the city sells permits to anyone who owns a qualifying vehicle -- not just to certain car-share companies.
Autonomous cars will give drivers the right to claim that they are not liable for traffic incidents, but determining who is liable will be a bit tricky. Responsibility will somehow have to be shared by the driver and the maker of the technology and the car.
The city of Shaoyang in China has it right! They capitalized on the fact that they had a considerable population of elderly citizens with free time. They authorized these seniors to give tickets for minor violations and offered a financial incentive -- seniors may keep 80% of the fines.
Less than a year ago, Detroit extended the hours of downtown parking enforcement till 10 pm. Making parking onerous and expensive is a great way to send people looking for a free, open space off where they know they can find one.
It's one of the perils of theorizing about sex differences: Our own expectations and intuitions get in the way. We hear about a study that reveals a significant sex gap and we immediately jump to conclusions.