The CRED (Paris 2 Panthéon-Assas), the Laboratoire d'Economie Dionysien (Paris 8 Vincennes-St Denis), ERUDITE (Paris Est-Creteil), EconomiX (CNRS and Paris Nanterre), and the Center for Economics of Paris Nord (CNRS and Paris 13 Villetaneuse) jointly organize the 4th International meeting in Law & Economics, on June 1-2.