It found that for the vast majority of people, money does buy you happiness.
Meanwhile, happiness "increases steadily" along with income among the rest of the population, Killingsworth, Kahneman, and Mellers found.
For the happiest 30% of people, happiness rises at an accelerated rate beyond $100,000.
"In other words, the bottom of the happiness distribution rises much faster than the top in that range of incomes.
Killingsworth, Kahneman, and Mellers noted, however, that the correlation between income and well-being was "weak, even if statistically robust."