Forecasts generated by five popular extrapolations are compared with each other and with a random-walk model over nearly 1500 situations. Relative to the random walk, forecasting with extrapolations is most successful on nondurable goods and series that historically have exhibited stable patterns. The amount of data available for forecasting and the product class/product form typology are not found to be important factors in the selection of an extrapolation model.
Get full access to this article
View all access options for this article.
References
1.
ArmstrongJ. Scott (1978), Long-Range Forecasting.New York: John Wiley & Sons, Inc.
2.
BrownRobert G. (1959), Statistical Forecasting for Inventory Control.New York: McGraw-Hill Book Company.
3.
ChambersJ. C., MullickS. K., and SmithD. D. (1971), “How to Choose the Right Forecasting Technique,”Harvard Business Review, 49(July-August), 45–71.
4.
FamaEugene F. (1965), “The Behavior of Stock-Market Prices,”Journal of Business, 38(January), 34–105.
5.
MakridakisSpyros (1982), “The Accuracy of Extrapolation (Time-Series) Methods: Results of a Forecasting Competition,”Journal of Forecasting, 1(April-June), 111–53.
6.
MakridakisSpyros, and HibonMichele (1979), “Accuracy of Forecasting: An Empirical Investigation,”Journal of the Royal Statistical Society, (A), 142 (Part 2), 97–145.
7.
MichaelGeorge C. (1979), Sales Forecasting, Monograph No. 10. Chicago: American Marketing Association.
8.
MoriartyMark, and SalamonGerald (1980), “Estimation and Forecast Performance of a Multivariate Time-Series Model of Sales,”Journal of Marketing Research, 17(November), 558–64.
9.
NelsonCharles R. (1973), Applied Time-Series Analysis for Managerial Forecasting.San Francisco: Holden-Day, Inc.
10.
PolliRolando, and CookVictor (1969), “Validity of the Product Life Cycle,”Journal of Business, 42(October), 385–400.
11.
RinkDavid R., and SwanJohn E. (1979), “Product Life Cycle Research: A Literature Review,”Journal of Business Research, 78, 219–42.
12.
SamuelsonPaul A. (1973), Economics.New York: McGraw-Hill Book Company.