This study investigated the magnitude of forecast improvements resulting from correction of inefficiencies in USDA cotton forecasts over 1999/00 to 2008/09 marketing years. The aspects of forecast performance included in this study were 1) bias and trends in bias, 2) correlation between forecast...

This study uses quantile regressions to estimate historical forecast error distributions forWASDE forecasts of corn, soybean, and wheat prices, and then compute confidencelimits for the forecasts based on the empirical distributions. Quantile regressions with fiterrors expressed as a function of...