In DC there are 8,600 cabs for 600K people; plenty of cabs and a hacker license is cheap. In Chicago there are restrictions; only 6,951 cabs for a population of 3 million, and a license costs $200,000. In Boston, there are just 1,825 cabs and a license costs $385,000. And, in NYC there are only 13,237 cabs for 8 million people; the costs of a license, $750,000! Don’t tell me regulations don’t matter.