This paper studies the optimal design of R&D contests. A “sponsor” (e.g. the US Department of Defense or the World Health Organization) wants to improve the quality of the winning products. To do so, it partitions its budget between two schemes: an inducement prize and efficiency-enhancing...

This paper proposes a multi-prize "reverse" nested lottery contest model, which can be viewed as the "mirror image" of the conventional nested lottery contest of Clark and Riis (1996a). The reverse-lottery contest model determines winners by selecting losers based on contestants' one-shot effort...

In a standard noisy contest, more competition (more contestants) leads to lower individual equilibrium effort. We show that when contestants can make pre-contest investment to enhance their competency, neither equilibrium investment nor individual effort is monotonic in the number of...

"This paper derives the effort-maximizing contest rule and the optimal endogenous entry in a context where potential participants bear fixed entry costs. The organizer is allowed to design the contest under a fixed budget with two strategic instruments: the value of the prize purse and a...