Nearly 100 years ago, the philosopher and mathematician Bertrand Russell warned of the social dangers of widespread envy. One view of modern society is that it is systematically developing a set of institutions - such as social media and new forms of advertising - that make people feel...

Nearly all workers have a supervisor or 'boss'. Yet there is almost no published research by economists into how bosses affect the quality of employees' lives. This study offers some of the first formal evidence. First, it is shown that a boss's technical competence is the single strongest...