We study the effects of preselection on an expert's incentive to give truthful advice in a decision environment in which certain decisions yield more precise estimates about the expert's expertise. The introduction of a preselection stage, in which the decision maker can study the case before...

A hybrid of a model of economic equilibrium in two markets and a social game is formed. The link between the two is established through a social norm which conditions correct social behavior on economic variables and therefore distorts the economic equilibrium allocation. The initial endowment...