Efficiency and unbiasedness of corn futures markets: new evidence across the financial crisis

C. Pederzoli and Costanza Torricelli

Applied Financial Economics, 2013, vol. 23, issue 24, 1853-1863

Abstract: Recent years witnessed commodity prices increases which have fostered research works on their predictability and a renewed interest of practitioners and policy-makers. The objective of this article is to test the predictive ability of futures prices on the underlying spot prices by taking corn, which is one of the most important agricultural commodities in terms of trading volumes and for its role in the dietary regime of many countries. We consider the corn futures on the Chicago Board of Trade (CBOT) in the period May 1998 to December 2011 so as to extend previous studies on this market and to assess a possible effect of the financial crisis. Our results do not emphasize a role for the latter and, although we do not find evidence of efficiency and unbiasedness, the futures corn price turns out to be the best predictor of the spot price if compared with most used alternatives.

Date: 2013
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DOI: 10.1080/09603107.2013.856997

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