Nicola Dimitri is Associate Professor of Political Economy at the University of Siena, Italy.Marchello Basili is Associate Professor of Economics at the University of Siena, Italy.Itzhak Gilboa is Professor of Economics at TEl-Aviv University, Israel.

• Introduction 1. Behavioural Finance and Markets, Gur Huberman 2. A Non-Expected Glance at Markets: Financial Models and Knightian Uncertainty, Marcello Basili and Fulvio Fontini 3. On The Existence of a 'complete' Possibility, Adam Brandenburger 4. Correlated Communication, Nicola Dimitri 5. A Survey of Rule Learning in Normal-Form Games, Dale Stahl 6. Framing and Cognition in Economics: The Bad News and the Good, Michael Bacharach 7. Language and Economics, Barton Lipman 8. Learning from Cases: A Unified Framework, Itzhak Gilboa and David Schmeidler 9. Some Elements of the Study of Language as a Cognitive Capacity, Luigi Rizzi 10. Rationality and Freedom, Patrick Suppes 11. For a 'Cognitive Program', Explicit Mental Representations for Homo Oeconomicus (The Case of Trust), Cristiano Castelfranchi 12. The Structured Event Complex and the Human Prefrontal Cortex: The Economic Brain, Jordan Grafman