TY - BOOK AU - Keen,Michael TI - Some international issues in commodity taxation T2 - IMF working paper U1 - 336.278 21 PY - 2002/// CY - Washington, D.C. PB - International Monetary Fund KW - PRODUCTOS BASICOS KW - MODELOS ECONOMICOS KW - IMPUESTOS N1 - Bibliografía: p. 23-26 UR - http://www.imf.org/external/pubs/ft/wp/2002/wp02124.pdf ER -