A common feature of the literature on the evolution of preferences is that evolution favors nonmaterialistic preferences only if preference types are observable at least to some degree. We argue that this result is due to the assumption that in each state of the evolutionary dynamics some...

When Legislators introduce laws that award amnesties to 'low-rank' criminals co- operating with the justice, top criminals may bribe public officials to subvert the law. Legislators should anticipate this reaction and fight it back by introducing policies that bundle amnesties for low-rank...

Adjudication errors in contests have a dual nature: they imply at the same time the unjust exclusion of a meritorious candidate (exclusion error) and the unjust inclusion of a non-meritorious one (inclusion error). We study theoretically and experimentally the effects of adjudication errors on...