Gebhard Kirchgässner 
Homo Oeconomicus [PDF ebook] 
The Economic Model of Behaviour and Its Applications in Economics and Other Social Sciences

Introduction: Economics as a Positive Science.- The Economic Model of Behaviour.- Homo Oeconomicus in Economics.- Applications of the Economic Model of Behaviour in Other Social Sciences.- Low-Cost Situations and Moral Behaviour.- Limits to and Problems of the Application of the Economic Model of Behaviour.- Some #x02018;Normative#x02019; Considerations.- Homo Oeconomicus and the Unity of the (Social) Sciences.- Concluding Remarks: Economic versus Sociological Approaches in the Social Sciences.