Edited by John Foster and Werner Hölzl
Chapter 5: Entropy statistics as a framework to analyse technological evolution
5. Entropy statistics as a framework to analyse technological evolution Koen Frenken and Alessandro Nuvolari* 1. INTRODUCTION Many scholars have suggested that important similarities exist between technological development and biological evolution and that, for this reason, evolutionary models can provide us with fairly adequate representations of technical change (Nelson and Winter 1982, Basalla 1988, Mokyr 1990). However, as has been repeatedly pointed out by those who endorse the adoption of an evolutionary approach, there are also substantive diﬀerences between biological evolution and technological evolution (Freeman 1991, Nelson 1995). Therefore, evolutionary models should always be employed with caution, taking into account the speciﬁcities of the processes of mutation and selection under study. The issue we are considering here concerns evolutionary processes of a special kind, namely the way complex entities evolve through processes of mutation and selection. Recent evolutionary theorizing in biology and artiﬁcial intelligence has stressed that complex entities evolve in ways that are diﬀerent from non-complex ones in important respects. This claim also has signiﬁcant implications for models of technological evolution, as a technological artefact is a complex evolving entity par excellence (Rosenberg 1976). Following Simon’s (1969 ) work on the design of artiﬁcial systems, we describe a technological artefact as a man-made system constituted by interconnected components that are intended to collectively perform a number of functions. The complexity of an artefact is due to the interdependencies between components, which causes only some combinations of elements to work well together, in the...
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