Barberà, Salvador; Berga, Dolors; Moreno, Bernardo - Departament d'Economia i Història Econòmica, … - 2009
A social choice function is group strategy-proof on a domain if no group of agents can manipulate its final outcome to their own benefit by declaring false preferences on that domain. Group strategy-proofness is a very attractive requirement of incentive compatibility. But in many cases it is...