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 …

This paper analyzes the design of innovation contests when the quality of an innovation depends on the research … suppliers. We also compare other common contests, in particular, fixed-prize tournaments and auctions. Like bonus tournaments …, auctions implement the socially optimal diversity, but usually with higher rents for the suppliers. Fixed-prize tournaments …

competition take place simultaneously. In this paper, we propose a new class of tournament models, called multilayered tournaments …In many facets of life, we often face competition with a multilayered structure in which different levels of …