What I'd call an actuarial approach. It's tricky, though, because it can be interpreted as discrimination. For example, here in the UK young women used to get

What I'd call an actuarial approach. It's tricky, though, because it can be interpreted as discrimination. For example, here in the UK young women used to get cheaper car insurance than young men, but this was outlawed – https://www.choose.co.uk/news/women-car-insurance-costs-to-soar.html https://www.choose.co.uk/news/women-car-insurance-costs-to-s... (and in an amazing display of transparency, the head of a major insurer said: "As an insurer, I'm pleased. We will raise rates for young women: we won't bring them down much for young men. That means more profit").