You may have noticed that Americans make more money than Europeans for the same jobs. You may also have suspected that the US is a rather more dangerous place to live. John Quiggins' calculations suggests that 10-40K salary difference as a plausible risk premium. Perhaps that's the difference? More discussion over on Crooked Timber: https://crookedtimber.org/2023/04/23/living-in-the-us-is-like-having-a-super-dangerous-job/