This paper deconstructs the relationship between harm and pollution, and argues that understanding this relationship creates valuable opportunities for improving environmental policy by minimizing or even eliminating the harm from some pollutants, even when reducing the total amount of pollution...

This paper makes explicit the role of the entrepreneur in a consumer producer economy. Entrepreneurial behavior changes the status quo by altering existing comparative advantages. A positive feedback effect with trading institutions ensues. This model shows how the entrepreneur can, when...

This paper explores the economic effects of imperfect meritocracy in recruitment and career advancement. We compare two career promotion mechanisms: a fully meritocratic system and a "noisy" one, that allows less productive workers to advance. Our model shows that imperfect meritocracy in...