> The sort of thing preventing this from working would be if you would e.g. prohibit people from building parking garages. But you don't have to prohibit them i

> The sort of thing preventing this from working would be if you would e.g. prohibit people from building parking garages. But you don't have to prohibit them in order to not require them. Requiring them is a subsidy. That assumes that markets work well in every circumstance. I think that pretty clearly isn't true. It would be interesting to learn the facts of the parking space market in cities.