Commodity market volatility more perception than reality

23 junio 2015

When grain and other commodity prices experienced explosive episodes between 2004 and 2013, the finger pointed toward index traders as the cause. Researchers identified and date-stamped both upward and downward price bubbles for grain during that time period. They found that not only were index traders not to blame but that the bubbles didn’t last nearly as long as many thought they did.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/nramGc2ilvc/150623141738.htm

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