The author highlights the fact that the rationalist paradigm which initiated the social construction of the normative character of the town and country planning issue, is not valid. This leads to one?s wondering about the presuppositions inherent in both research and town and country planning...

This is a contribution to the Journal Symposium on Douglass North's book on Understanding the Process of Economic Change by Structural Change and Economic Dynamics. It tries to understand his dynamic theory as that of the belief-institution co-evolution process and applies contributions of...