Lottery wealth is a (tiny) subset of wealth. It is possible that besides the material part there is some form of psychological effect, "I have won in a 1 to a

Lottery wealth is a (tiny) subset of wealth. It is possible that besides the material part there is some form of psychological effect, "I have won in a 1 to a zilion chance, I am better (or the fate, or God preferred me), I am special". Inherited wealth or hard worked for wealth may well produce different happyness levels. And of course whar happens in Sweden may (or may not) be "universal".