This paper looks at the potential role of time-varying volatility of Mississippi river barge and ocean freight prices on commodity prices in Illinois, at the US Gulf and in Rotterdam using a Vector Error Correction GARCH-in-Mean model. The model is used to infer the extent to which...

Time series econometric methods are applied to monthly observational data over the period 1978-1992 on real exchange rates, real corn prices, corn export sales, and corn export shipments for the United States. In-sample fit and out-of-sample forecast results are used to discern whether exchange...

Relationships between the United States Department of Agriculture's (USDA) estimated World Market Price, the Thai milled rice price, US transportation-adjusted cash rough rice price, and the Chicago Rice and Cotton Exchange rough rice futures price are examined for the 1987-1991 marketing years....