deviation (in beliefs, utility, or perceived prices) is within e of expected utility theory. The number e can then be used as a … distance to the theory. We apply our methodology to three recent large-scale experiments. Many subjects in those experiments …

The weak rationality principle is not an empirical statement but a heuristic rule of how to proceed in social sciences …-foundation and, therefore, employ the rationality assumption in economic models. Then, with reference to the ?bounded rationality … a part of the rationality assumption. We conclude with some remarks on handling the problems of ?free will? as well as …

consistent in revealing that groups behave closer to the game-theoretical assumption of rationality and selfishness than …

We examine the various senses in which economist use the term “rationality” and then outline some of the commonly drawn …