Tournaments are widely used in the economy to organize production and innovation. We study individual data on 2,775 contestants in 755 software algorithm development contests with random assignment. The performance response to added contestants varies non-monotonically across contestants of...

While the importance of innovation to economic development is widely understood, the conditions conducive to it remain the focus of much attention. This volume offers new theoretical and empirical contributions to fundamental questions relating to the economics of innovation and technological...