Cheerful teenagers are likely to earn more money after attaining adulthood, finds study.
According to two leading economists, their income is thought to be higher because happy people are more productive and are promoted faster, the Daily Mail reported.
The study, carried out by Professor Andrew Oswald, of Britain's Warwick University, and Jan-Emmanuel De Neve of University College, is the first in-depth investigation into the role happiness plays in future earnings.
During the study of 90,000 people, it was found that their happiness levels in early life had an effect on whether they would earn more money in the future.
The academics' findings are due to be presented at the Royal Economic Society's annual conference at the University of Cambridge.