Armstrong, J. Scott; Grohman, Michael C. - In: Management Science 19 (1972) 2, pp. 211-221
The following hypotheses about long-range market forecasting were examined: H<sub>1</sub> Objective methods provide more accuracy than do subjective methods. H<sub>2</sub> The relative advantage of objective over subjective methods increases as the amount of change in the environment increases. H<sub>3</sub> Causal methods...