A statistically optimal inference about agents' ex ante price expectations within the US broiler market is derived using futures prices of related commodities along with a quasi-rational forecasting regression equation. The modelling approach, which builds on a Hamilton-type framework, includes...

This paper tests for both long run and short run market efficiency and unbiasedness in five agricultural futures markets. The possible existence of constant and time varying risk premia are taken into account using cointegration procedures and error correction models within a GARCH framework.