"Simultaneously published in the USA and Canada."

Javier Aranzadi is Associate Professor of Economics at Universidad Autónoma de Madrid, Spain.

1. The Two Economic Approaches to Human Behaviour in Liberalism 2. The Definition of Economic Behaviour in Mises' Work 3. The Structure of Mises' General Theory of Action 4. The Discovery of Means and the Creation of Possibilities 5. The Evaluative System 6. Causality as a Praxeological Category 7. The Project 8. The Definition of Human Behaviour in Becker's Work 9. Critical Analysis of the Definition of Becker's Economic Behaviour: The Stability of Preferences 10. Critical Analysis of the Definition of Becker's Economic Behaviour: Maximising Behaviour and Market Equilibrium 11. Conclusions