00457nam a2200121Ia 450000500170000008000170001710000270003424500970006126000280015830000100018652001220019658300170031820260716043505.0  a12.08.01 O15  aOcampo, José Antonio  aReturning to an eternal debate : the terms of trade for commodities in the twentieth century  bECLACaSantiagoCLc2003  a52 p.  aExamines the evolution of the international terms of trade for commodities in the light of recent empirical evidence.  c6/5/03kJOYD