The dominant hypothesis in mainstream economics is the assumption of prefect rationality. However, there are two dilemmas: Whenever this assumption was used empirical evidence turned out to be against it. Secondly, this assumption is far from reality, for example, because individuals usually do not possess all relevant information. Therefore, this volume addresses issues of bounded rationality in different areas. The first part investigates bounded rationality in financial markets, the second part investigates the effects of bounded rationality on industrial organizations and the third part deals with bounded rationality in price theory, environmental economics and public management.