Grain prices have risen sharply since 2005 and 2006 affecting livestock markets by increasing feed prices and leading to significant volatility shocks. The high price levels and magnitude of sustained high volatilities has raised concerns for many sectors of the economy, in particular those with...

Grain prices have risen sharply since 2005 and 2006 affecting livestock markets by increasingfeed prices and leading to significant volatility shocks. The high price levels and magnitude ofsustained high volatilities has raised concerns for many sectors of the economy, in particularthose with...

The objective of this study is to evaluate and model the yield risk associated with major agricultural commodities in the U.S. We are particularly concerned with the nonstationary nature of the yield distribution, which primarily arises because of technological progress and changing...