The economics of contracting : foundations, applications, and empirical investigations : proceedings of the Eigth [i. e. Eight] Francqui Colloquium, Brussels, 19-21 November 1999 - Dewatripont, Mathias (Bibliotheque scientifique Francqui = Francqui scientific library = Wissenschaftliche Bibliothek Francqui = Wetenschappelijke bibliotheek Francqui,, 2006)