The purpose of this study was, first, to estimate the impact of alcohol and drug use on the employment status of men and women and, second, to examine whether a history of past use, as opposed to current use, adversely affects the propensity to be employed. Using data from the National...

A large portion of our economic interactions involves a very small portion of the population. We seem to prefer familiar venues. But the tendency to focus our attention on a few individuals or activities is an attribute that is typically omitted in our characterization of markets. In markets...

Consider a simple economy in which autonomous agents are endowed with two goods, g1 and g2, and with the capability of producing more of each. At regular intervals each agent is allowed to produce one of the goods, at a rate determined by his own unique production function, or to trade with...

Consider autonomous agents endowed with two goods and the capability ofproducing each. Regularly each agent can produce one (only) of the goods or trade with other agents. Each good yields utility according to a utility function. This paper studies how utility-maximizing agents optimize in these...