We present a model of learning in which agents learn from errors. If an action turns out to be an error, the agent rejects not only that action but also neighboring actions. We find that, keepng memory of his errors, under mild assumptions an acceptable solution is asymptotically reached....

We examine a strategic-choice handicap model in which males send costly signals to advertise their quality to females. Females are concerned with the net viability of the male with whom they mate, where net viability is a function of the male's quality and signal. We identify circumstances in...

One of the key assumptions of neoclassical economics is the existence of the rational individual, who always tries to maximize his or her utility. The paper shows possibilities of experimental evaluation of this hypothesis with respect to the various groups of people who undertake the...