6 papers
Innovation Systems as Patent Networks: The Netherlands, India and Nanotech
Wilfred Dolfsma, Loet Leydesdorff
Research in the domain of 'Innovation Studies' has been claimed to allow for the study of how technology will develop in the future. Some suggest that the National and Sectoral Inn…
The Citation Field of Evolutionary Economics
Wilfred Dolfsma, Loet Leydesdorff
Evolutionary economics has developed into an academic field of its own, institutionalized around, amongst others, the Journal of Evolutionary Economics (JEE). This paper analyzes t…
Measuring the Knowledge Base of an Economy in terms of Triple-Helix Relations among 'Technology, Organization, and Territory'
Loet Leydesdorff, Wilfred Dolfsma, Gerben van der Panne
Can the knowledge base of an economy be measured? In this study, we combine the perspective of regional economics on the interrelationships among technology, organization, and terr…
Journals as constituents of scientific discourse: economic heterodoxy
Wilfred Dolfsma, Loet Leydesdorff
Purpose: to provide a view and analysis of the immediate field of journals which surround a number of key heterodox economics journals. Design/methodology/approach: Using citation…
"Medium-tech" industries may be of greater importance to a local economy than "High-tech" firms: New methods for measuring the knowledge base of an economic system
Wilfred Dolfsma, Loet Leydesdorff
In this paper we offer a way to measure the knowledge base of an economy in terms of probabilistic entropy. This measure, we hypothesize, is an indication of the extent to which a…
Lock-in & Break-out from Technological Trajectories: Modeling and policy implications
Wilfred Dolfsma, Loet Leydesdorff
Arthur [1,2] provided a model to explain the circumstances that lead to technological lock-in into a specific trajectory. We contribute substantially to this area of research by in…