The Analytic Hierarchy Process (AHP) is discussed and illustrated. A controlled experiment is conducted to ascertain if the quality of judgments rendered using the AHP is task dependent or is affected by psychological or demographic variables. No evidence is found to suggest that sex,...

In 1982, the Journal of Forecasting published the results of a forecasting competition organized by Spyros Makridakis (Makridakis et al., 1982). In this, the ex ante forecast errors of 21 methods were compared for forecasts of a variety of economic time series, generally using 1001 time series....