Ethanol and field crops: Is there a price connection?
2016
Bastianin, Andrea | Galeotti, Marzio | Manera, Matteo
We analyze the relationship between the prices of ethanol, corn, soybeans, wheat and cattle in Nebraska, U.S. We focus on long-run price relations, short-run Granger causality, in-sample and out-of-sample predictability linkages between returns on ethanol, field crops and cattle. Since the ethanol market has been subject to many policy interventions, our analysis takes structural breaks and parameter instabilities into account using modern statistical techniques. We find no evidence that ethanol returns Granger cause food price variations. Conversely, both in-sample and out-of-sample results suggest that ethanol is Granger caused and can be predicted by returns on corn. No linkages between ethanol and cattle are found.
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