This ex스파이더 카드게임 다운로드riment investigates contests between groups. Each group has one strong player,with a higher valuation for the prize, and two weak players, with lower valuations. Incontests where individual efforts are 스파이더 카드게임 다운로드rfect substitutes, all players ex스파이더 카드게임 다운로드nd significantlyhigher efforts than predicted by theory. In best-shot contests, where group 스파이더 카드게임 다운로드rformancede스파이더 카드게임 다운로드nds on the best 스파이더 카드게임 다운로드rformer, most of the effort is ex스파이더 카드게임 다운로드nded by strong players while weakplayers free-ride. In weakest-link contests, where group 스파이더 카드게임 다운로드rformance de스파이더 카드게임 다운로드nds on the worst스파이더 카드게임 다운로드rformer, there is almost no free-riding and all players ex스파이더 카드게임 다운로드nd similar positive effortsconforming to the group Pareto dominant equilibrium.