Stefano Carattini Haute école de gestion Genève & London School of Economics   Grantham Research Institute LSE Houghton Street London, WC2A 2AE United Kingdom   s.carattini@lse.ac.uk   https://sites.google.com/site/stefanocarattini           JEL Areas: Q5 : Environmental Economics: General H2 : Taxation, Subsidies, and Revenue: General