Trajtenberg, Manuel; Henderson, Rebecca; Jaffe, Adam - In: Economics of Innovation and New Technology 5 (1997) 1, pp. 19-50
This paper is an attempt to quantify key aspects of innovations, 'basicness' and appropriability, and explore the linkages between them. We rely on detailed patent data. particularly on patent citations, thus awarding the proposed measures a very wide coverage. Relying on the prior that...