Etudes et Documents 2008.17 Leadership in Public Good Provision: a Timing Game Perspective Hubert Kempf  and Grégoire Rota Graziosi ‡ : Banque de France and Paris School of Economics Mail address: Centre d’Economie de la Sorbonne, Université Paris-1 Panthéon-Sorbonne, 65 boulevard de l’Hôpital, 75013 Paris, France. Email: hubert.kempf@univ-paris1.fr ‡: CERDI-CNRS, Université d’Auvergne, Mail address: 65 boulevard François Mitterrand, 63000 Clermont-Ferrand, France Email: gregoire.rota_graziosi@u-clermont1.fr December 5, 2008 2