Why irrational? Cabs are SO convenient, and public transportation has all kinds of issues world-wide. Buenos Aires, for example, has subsidized metro (about 0.

Why irrational? Cabs are SO convenient, and public transportation has all kinds of issues world-wide. Buenos Aires, for example, has subsidized metro (about 0.50U$S per ticket) vs a non-subsidized uber (5U$S per ride~) and still the experience is so much better and convenient and reliable that 5U$S is really worth it. I think that the ride-hailing revolution is a classic case of great microeconomics.