Che, Yeon-Koo; Kim, Jinwoo - In: Econometrica 74 (2006) 4, pp. 1063-1107
A contract with multiple agents may be susceptible to collusion. We show that agents' collusion imposes no cost in a large class of circumstances with risk neutral agents, including both uncorrelated and correlated types. In those circumstances, any payoff the principal can attain in the absence...