In US, annual household income < 85k 就會越小錢越唔開心
> 85k 就會越多錢越開心
HK 要幾多錢先開心?
Harvard psychology doctoral student and former software product manager Matthew Killingsworth was developing a measurement tool, an iPhone app called Track Your Happiness that pings users at random intervals and asks about their activities and feelings, often using a sliding scale for answers.
The conclusion, just published in the Proceedings of the National Academy of Sciences, is that while the connection is stronger for life satisfaction than it is for experienced well-being, it doesn’t disappear for the latter after $75,000 or $90,000. Money keeps buying happiness, even for the affluent.
https://www.bloomberg.com/news/articles/2021-01-25/can-money-buy-you-happiness-yes-but-there-s-a-catch