A key tenet of the theory of human capital is that investment in skills results in higher productivity. The previous literature has estimated the degree of investment in human capital for individuals by looking at individual wage growth as a proxy for productivity growth. In this paper, we have...

For the past twenty five years, economists have been building theories of the optimal management of firms. For example, economic models suggest that under some conditions, piece rate pay raises performance, and under other conditions, promotions tournaments raise performance. Some of these...

A theory of leadership is proposed and tested. Leaders perform many roles in a firm. They become leaders because they succeed at these tasks more than others and at least some of their successes are visible. The theory implies that leaders tend to be more able, place themselves in visible...