Happiness at Work Depends on a Good Salary, but also on How Much Colleagues Earn (2 of 2) (video) Carlos III University of Madrid Share Print E-Mail Loading video... Caption One of the keys to happiness at work is earning a lot of money, but what is equally important, if not more important, is that our earnings not be inferior to those of our peers, that is, of the colleagues we compare ourselves to. This is revealed by a study carried out at Universidad Carlos III in Madrid that analyzes the relationship between happiness and income from work. Credit UC3M Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.