If we reassess the rationality question under the assumption that the uncertainty of the natural world is largely … theory of ecological rationality. The main casualty of this rebuilding process is optimality. Once we view optimality as a … formal implication of quantified uncertainty rather than an ecologically meaningful objective, the rationality question …

This essay links some of my own work on expectations, learning and bounded rationality to the inspiring ideas of Jean …-Michel Grandmont. In particular, my work on consistent expectations and behavioral learning equilibria may be seen as formalizations of … JMG's ideas of self-fulfilling mistakes. Some of our learning-to-forecast laboratory experiments with human subjects have …

rationality behaviour by people. Quite recent developments in the Economics of Knowledge, i.e. the so-called learning models, have …