Francois Boldron La Poste   44 bd de Vaugirard Paris, 75014 France   francois.boldron@laposte.fr     Biographical Sketch: PhD in Economics Universite Toulouse 1 (2001) Research Fellow at CORE (2002) Economist at La Poste (Since june 2003)   Primary Research Focus: Public Economics (Commodity Taxation), Regulation   JEL Areas: H0 : Public Economics: General L5 : Regulation and Industrial Policy: General