Recent empirical studies have found significant evidence of departures from competition in the input side of the bread, breakfast cereal and margarine endproduct markets. In this study we specify a general duality model of profit maximisation that allows for imperfect competition in the input...

This study investigates the impact of six major USDA reports in hog and cattle markets: Cattle; Cattle on Feed; Cold Storage; Hogs and Pigs; Livestock, Dairy, and Poultry Outlook (LDPO); and World Agricultural Supply and Demand Estimates (WASDE). A TARCH-in-mean model, with dummy variables to measure...