The aim of this paper is to propose a new empirical method for identifying technologically important patents within a patent citation network and to apply it to the telecommunication switching industry. The method proposed is labelled the genetic approach, as it is inspired by population...

This article considers the historiographical and theoretical significance of Nicholas von Tunzelmann's first book, Steam Power and British Industrialization to 1860. Von Tunzelmann assessed the quantitative impact of the Watt steam engine and its pirate copies on the British economy using the...

This paper is an attempt to unpack the emergence and dynamics of science-based technologies in conceptual forms that allow us to understand better when and how the social and economic organization of search and problem-solving matters. The evolution over two decades of a specific science-based...