Arrow is trying to explain why health care — including health insurance — isn’t like other markets. He basically just lists a bunch of reasons why health care is different. These reasons include:
Health insurance is subject to a lot of information asymmetry — the aforementioned adverse selection, plus “moral hazard” (ie., people with more insurance
At that point, China will have to choose between A) expensive upkeep and redevelopment to keep cities looking new, or B) patching up and painting over old buildings to save money. Japan actually chooses the former, which is why it still looks nice — but this eternal construction and beautification costs a lot of society’s resources. Hong Kong and... See more