This outstanding collection provides a fitting tribute to the diversity and depth of Paul David’s contributions. The papers included range from simulation models of the evolution of market structure in the presence of innovation, through historical investigations of knowledge networks and...

Protection of intellectual property rights (IPRs) serves a dual role in economic development. While it promotes innovation by providing legal protection of inventions, it may retard catch-up and learning by restricting the diffusion of innovations. Does stronger IPR protection in a developing...