A new method for constructing R&D capital stocks is proposed and tested. Following Schumpeter, the development of R&D capital stocks is modelled as a process of creative destruction. Newly generated knowledge is assumed not only to add to the existing R&D capital stocks but also, by displacing old knowledge, to destroy part of that capital. This is in stark contrast to the perpetual inventory method, ...
This paper investigates predictions of Porter's Diamond model regarding the impact of locational factors on innovativeness and performance at the firm level. We formulate a structural equation model based on the relationships between locational conditions, e.g., transportation infrastructure, proximity to universities and research institutes, qualified labour, on the one hand, and innovativeness measured ...
The capacity of people and companies to bring about innovations, that is, to create new knowledge and implement this in new marketable products and services, is of prominent importance for growth and prosperity in highly developed industrial countries. On commission of Deutsche Telekom Stiftung and Bundesverband der Deutschen Industrie (BDI, Federation of German Industries), DIW Berlin has prepared ...