I think I heard this conversation on NPR the other day. Typical leftist bullshit pseudo science. "and the paper concludes we need more communism".
Our society is infested by idiots pretending to do science. We have an entire class of people with advanced degrees in bullshit running statistical models to pretend to prove what they already believe to be true. They arent frauds though because no one believes their bullshit as much as they do. They are delusional and pseudo intelligent. If you listen to NPR they dont even talk like normal people. They all talk with some fake accent or overly nasal.
What could be more obvious that happiness is highly individualistic and an unmeasurable subjective temporary state. I am happy now but I can never be as happy as I was at 19 when the world was a mystery and anything was possible. I wouldnt have been happier at 19 +$100k. It would just be a different baseline and starting point because all this is sensitive to initial conditions.
Another classic in this field but at least everyone knows this is a joke