_____ models are usually more accurate than ______ models for medium-to-long-range forecasts.

_____ models are usually more accurate than ______ models for medium-to-long-range forecasts. 



A. Causal, time-series
B. Time-series, qualitative
C. Qualitative, time-series
D. Qualitative, causal
E. Time-series, causal


Answer: A. Causal, time-series


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