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The input data of
the demand forecast model are historical series data of sales
and prices disaggregated by product and country, and historical
series and forecast of GdP or other macro-economic indicators
(e.g. the purchasing power index, etc.).
On the basis of
these data the demand forecast model provides the sales trends
for a given time interval and the corresponding elasticity
to price.
The results are
controlled and validated according to the values of the main
statistical
indicators
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