My original intention in writing this book was to consider evolving mar- ket systems and Hayekian criteria of efficiency (see von Hayek (1931, 1945) ), and to discover those formal structures which might possibly lie at the base of economic systems capable of evolution. Much work in this field had already been done by others (see, for example, Kirzner (1975) and Nelson/Winter (1982) ), and a consensus seems to have been reached that something like...