This paper examines why developed countries are monogamous while rich men throughout history have tended to practice polygyny (multiple wives). Wealth inequality naturally produces multiple wives for rich men in a standard model of the marriage market. This paper argues that the sources of...

This paper examines why developed countries are monogamous while rich men throughout history have tended to practice polygyny (multiple wives). Wealth inequality naturally produces multiple wives for rich men in a standard model of the marriage market. This paper argues that the sources of...

Poor families around the world spend a large fraction of their income on consumption of goods that appear to be useless in alleviating poverty, while saving at very low rates and neglecting investment in health and education. Such consumption patterns seem to be related to the persistence of...

This paper develops a theory of fertility that offers an explanation for the persistence of poverty within and across countries. If educated individuals have a comparative advantage in raising educated children then parental fertility choice is shown to give rise to a poverty trap, in which the...

We consider a simple dynamic “collective reputation” model of a market for an experience good into which we introduce imperfect quality inspections. In each period two markets operate: a prime market for sellers with a good reputation, and a regular market for all other sellers. In every...

We propose a theory by which geographic variations in the transparency of the production process explain cross-regional differences in the scale of the state, in its hierarchical structure, and in property rights over land. The key linkage between geography and these institutions, we posit, is...

This paper investigates whether the sources of income, not just the levels, determine whether an individual is monogamous. Our results support the idea that polygyny stunts development by allowing wealthy men to acquire wives rather than investing in child quality.