The aboriginal distribution of population in North America is found not to be positively related to the richness of the natural environment, contrary to the predictions of the Malthusian model, the dominant one in Anthropology. Great abundance of some resources can encourage nomadism or raise...

In this paper, we derive a discrete choice model of the demand for medical care from a theoretical model that implies a natural interrelation between price and income. We show that, in the context of a discrete choice model, if health is a normal good, then the price elasticity of the demand for...

A risk-averse man will invest in his sister's children if he cares about his genetic relatedness to future generations and if he is unsure about being the father of his wife's children. The model in this paper is an advance over the earlier expected-relatedness models in that it permits mixed...

We investigate the effect of speaking Spanish at home as a child on completed schooling and aptitude test scores using data on Hispanics who grew up in the U.S. from the NLSY79. We model the accumulation of traditional human capital and English fluency, leading to the joint determination of...

A model is presented in which scale economies give market production a cost advantage over household production, but in which market production is limited by the extent of the market. The author views the production process as a series of stages, each further refining and specializing the...