Francisco Costa FGV EPGE Brazilian School of Economics and Finance   Praia De Botafogo, 190/1100 Fundacao Getulio Vargas Rio De Janeiro, Rio de Janeiro 22250-900 Brazil   francisco.costa@fgv.br   sites.google.com/site/fjmcosta/           JEL Areas: O : Economic Development, Technological Change, and Growth Q5 : Environmental Economics: General