Arango, Luis Eduardo; Arias, Fernando; Flórez, Luz Adriana - BANCO DE LA REPÚBLICA - 2008
A threefold analysis of commodity prices is carried out to observe their long-runbehaviour, their short-run properties and the main determinants. According to theevidence, the Prebisch-Singer hypothesis does not seem to be a property of mostprices. The cycles of commodity prices are asymmetric...