Some firms say they care about the happiness and ‘well-being’ of their employees. But are such claims hype? Or might they be scientific good sense? This study provides evidence that happiness makes people more productive. First, we examine fundamental real-world shocks (bereavement and...

Little is known about the influence of people’s diet on their psychological well-being. This study provides evidence of a link between the consumption of fruit and vegetables and high well-being. In cross-sectional data, happiness and mental health rise in an approximately dose–response way...