The two constitutional principles of subsidiarity and integration in the European Union clearly force the system to be one of jurisdictional competition. The text books still do not start from the assumption that diversity, and the tools for making it compatible with integration, are just as...

Hayek's well-known evolutionary concept of "competition as a discovery procedure" can be characterized as a parallel process of experimentation, in which rivalrous firms generate and test hypotheses about the best way to fulfill the consumers' preferences. Through this permanent process of...