Humans run on a fuel called food. Yet economists and other social scientists rarely study what people eat. We provide simple evidence consistent with the existence of a link between the consumption of fruit and vegetables and high well-being. In cross-sectional data, happiness and mental health...

Do entrepreneurs earn supernormal returns, or does competitive pressure ensure that entrepreneurs receive the same utility level as workers? If those who run their own businesses get supernormal returns (or 'rents') they should be happier than those who work as employees. The paper tests this...