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

We introduce a procedural model of risky choice in which an individual is endowed with a core preference relation that may be highly incomplete. She can, however, derive further rankings of alternatives from her core preferences by means of a procedure based on the independence axiom. We find...