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physics.soc-ph2009
"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…
physics.soc-ph2009
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…