In the last two decades there has been a noticeable increase in published research in evolutionary economics. The idea that formal modelling is a sine qua non condition for establishing a rigours and coherence scientific frame, has led to an over concern with formalization issues among...

The way the fields are delineated has been the Achilles' heel of studies analyzing the status and evolution of given scientific areas. Based on van den Besselaar and Leydesdorff's (Mapping change in scientific specialities; a scientometric reconstruction of the development of artificial...

In this paper we present a theoretical model of the learning process with knowledge externalities to R&D and other learning inputs within a region, a technological district, an industry or a technological cluster with fast rates of accumulation of new technological knowledge. As there are...