Policemen are known to support colleagues who are the subject of criminal investigations. While we might expect guilty officers to defend each other, why do law-abiding policemen defend those who have broken the law? We investigate under what conditions it is in the interest of a group to defend...

Analyses of assembly elections often assume that voters have well-defined preferences over candidates, even though preferences over assemblies are the natural analytic starting point. This candidate-based approach is usually justified by an assumption that preferences over assemblies are...