Which comes first, happiness or money? Much scholarly head tapping has been devoted to examining whether richer people are happier and if so, how much richer? Nobel prize-winners have even looked into it.

But a new study suggests that the question could perhaps be looked at the other way around. Happier teenagers, this study suggests, grow up to be richer adults.

Those who were happiest earned an average of $8,000 more than those who were the most despondent.

(READ the story from Time)