发布时间：2011-07-08
Abstract
This paper finds that concurrent with the rapid growing index investment in commodities markets since early 2000s, futures prices of non-energy commodities in the US became increasingly correlated with oil and this trend was significantly more pronounced for commodities in the two popular SP-GSCI and DJ-UBS commodity indices. This finding reflects a financialization process of commodities markets and helps explain the largely increased price volatility of non-energy commodities around 2008.
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