Document de travail Secession-Proof Cost Allocations and Stable Group Structures in Models of Horizontal Differentiation Michel Le Breton et Shlomo Weber IDEI Working Paper n° 210, 2003 RéférenceMichel Le Breton et Shlomo Weber, « Secession-Proof Cost Allocations and Stable Group Structures in Models of Horizontal Differentiation », IDEI Working Paper, n° 210, 2003.