Carlier, Guillaume; Ekeland, Ivar - Université Paris-Dauphine (Paris IX) - 2010
We are given a list of tasks Z and a population divided into several groups X j of equal size. Performing one task z requires constituting a team with exactly one member x j from every group. There is a cost (or reward) for participation: if type x j chooses task z, he receives p j (z);...
