"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...

"Auction design with endogenous entry is complicated by entry coordination among bidders due to multiple entry equilibria issue. This article studies auction design when information acquisition costs are private information of bidders. We show that this problem can be resolved by sufficient...