The main advantage that simple moving-average models have over exponentially-smoothed models is that they can be made to give any desired weight to specific periods in the past.

Question

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Simple moving-average models assign equal weight to all periods in the average, whereas exponentially-smoothed models can give more weight to recent observations, allowing for more flexibility in weighting past periods.

The Main Advantage That Simple Moving-Average Models Have Over Exponentially-Smoothed