FIG 113. EXAMPLE OF MODELLING IN PRACTICE (1):

Gliss haircare products, Sweden

Based on weekly sales of Gliss shampoo, conditioner and treatment products, week 41 2009 to week 20 2011. Source: Ohal econometric modelling for Schwarzkopf, Sweden, 2011 [108]
[10] ECONOMETRIC MODELS

Q: When to use Gliss flyers (e.g. money-off coupons)? A: Alongside magazine advertising, or 1-2 weeks after TV

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