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...

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...

What makes a good leader? A good leader is able to coordinate his followers around a credible mission statement, which communicates the future course of action of the organization. In practice, leaders learn about the best course of action for the organization over time. While learning helps...

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...

A vast labor literature has found evidence of a %u201Cglass ceiling%u201D, whereby women are under-represented among senior management. A key question remains the extent to which this reflects unobserved differences in productivity, preferences, prejudice, or systematically biased beliefs about...

The Patient Protection and Affordable Care Act (ACA) is the most comprehensive reform of the U.S. medical system in at least 45 years. The ACA transforms the non-group insurance market in the United States, mandates that most residents have health insurance, significantly expands public...

We propose and study properties of several estimators of variance decomposition in the local-projections framework. We find for empirically relevant sample sizes that, after being bias corrected with bootstrap, our estimators perform well in simulations. We also illustrate the workings of our...

The central thesis of this paper is that the management of portfolios incorporating a variety of investment assets does require the use of time and other scarce resources in searching for, collecting, interpreting, and applying relevant information. Accordingly, the returns on these assets would...