Loet Leydesdorff

The dynamics of innovation: from National Systems and “Mode 2” to a Triple Helix of university–industry–government relations

Scaling trajectories in civil aircraft (1913–1997)

The Non-linear Dynamics of Sociological Reflections

Actors are embedded in networks of communication: the relationships among the actors can be represented as the rows of a matrix, while the column vectors represent their communi...

Scientometrics and communication theory: Towards theoretically informed indicators

Is the European Monetary System converging to integration?

The emerging system at the European level can be conceptualized as a pattern of relations among member states that tends to be reproduced despite disturbances in individual traj...

Competing technologies: Lock-ins and lock-outs

W. Brian Arthur's model for competing technologies is discussed from the perspective of evolution theory. Using Arthur's own model for the simulation, we show that 'lock-ins' ca...