“…There is, however, also a number of econometric models involving a set of variables determining supply of and demand for pork, whereas some forecasts are based upon a combination of forecasts obtained through ARIMA models and more comprehensive econometric models as in, for instance, Leuthold et al, 1 Bessler, 2 Brandt and Bessler, 3 and Harris and Leuthold. 4 Furthermore, a number of studies explore the forecasting properties of prices from exchanges trading hog or pork futures as in articles by Elam, 5 Fama and French, 6 Foote, Williams and Craven, 7 Leuthold and Hartmann, 8 and Wilkinson. 9 More recently, nonlinear variants of time series models have been tested out by, for instance, Chavas and Holt, 10 including forecasting with so-called neural networks (Hamm and Wade Brorsen 11 ).…”