Latest research shows that happiness increases as annual income rises. Can money buy happiness?
【Happiness can be bought with money, up to 70 million yen, the more the better.ーThe Latest Research】 https://www.bloomberg.co.jp/news/articles/2023-03-08/RR6G9RT0G1KW01 ・Traditionally, it was thought that happiness levels hit a ceiling after an annual income of...