Earlier quoted context omitted.
I'm staunchly anti-insurance in most cases, as once someone is making a profit it can't be a positive-expected-value deal. But that angle seems to have been covered already so just to be different - insurers also have the strongest incentives in the market to make sure risks don't play out. There is nobody with more at stake in the event of a bad flood or other disaster. The incentive structures around insurance (in…
I pay £30 a month to insure an £X00k bill if my house develops a catastrophic problem. That’s +ve EV regardless of the numbers because the risk avoidance has “value”.
When you bring in peace of mind and avoiding risk of ruin, those are utility concerns (which make purchase of -EV insurance sensible in many cases).