A theory of leadership is proposed and tested. Leaders are characterized as those who have the ability to choose the right direction more frequently than their peers. The theory implies that leaders tend to be more able, place themselves in visible decision making situations more frequently, and...

The US Civil War provides researchers a unique opportunity to identify wartime leaders and thus to test theories of leadership. By observing both leaders and followers during the war and forty years after it, I establish that the most able became wartime leaders, that leading by example from the...

Numerous evaluations show that conditional cash transfer programs change households' investments in their young children, but there are many open questions about how such changes can be sustained after transfers end. This paper analyzes the role of social interactions with local female leaders...

This paper discusses and illustrates identification problems in personality psychology. The measures used by psychologists to infer traits are based on behaviors, broadly defined. These behaviors are produced from multiple traits interacting with incentives in situations. In general, measures...

Character is a skill, not a trait. At any age, character skills are stable across different tasks, but skills can change over the life cycle. Character is shaped by families, schools, and social environments. Skill development is a dynamic process, in which the early years lay the foundation for...

In applications, interviews, performance reviews, and many other environments, individuals are explicitly asked or implicitly invited to assess their own performance. In a series of experiments, we find that women rate their performance less favorably than equally performing men. This gender gap...

Using a randomized experiment with an automobile manufacturing firm in China, we measure the effects of letting workers evaluate their managers on worker and firm outcomes. In the treatment teams, workers evaluate their supervisors monthly. We find that providing feedback leads to significant...

Youth employment has been near historic lows in recent years, and racial gaps persist. This paper tests whether information frictions limit young people's labor market success with a field experiment involving over 43,000 youth in New York City. We build software that allows employers to quickly...

The Truckers and Turnover Project is a statistical case study of a single firm and its employees which matches proprietary personnel and operational data to new data collected by the researchers to create a two-year panel study of a large subset of new hires. The project's most distinctive...