Gershkov, Alex; Moldovanu, Benny; Shi, Xianwen - University of Toronto, Department of Economics - 2011
We consider a standard social choice environment with linear utility and one-dimensional types. We show by counterexample that, when there are at least three physical alternatives, Bayes-Nash Incentive Compatibility (BIC) and Dominant Strategy Incentive Compatibility (DIC) need no longer be...