Badia-Miro, Marc Geography, policy or productivity? : Regional trade in five South American countries, 1910-1950 / Marc Badia-Miro, Anna Carreras-Marín and Christopher M. Meissner - Cambridge NBER 2014 - 47p - NBER Working Paper ; 20790 . Subjects--Topical Terms: NBERWP 20790E13945.pdf