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Speculation in oil markets? What have we learned? / Lutz Kilian, VoxEu.org, 21/04/2012http://www.voxeu.org/index.php?q=node/7892Was the surge in the oil prices between 2003 and 2008 caused by financial investors taking speculative positions in oil futures markets? Many pundits and policymakers seem to think so, but this column says this view goes against the extensive body of evidence...