Not for multi-periods, but for single periods, geometric attribution has residuals! In a recent post about multi-period attribution, I mentioned that while it’s true that arithmetic attribution is “linking challenged,” resulting in residuals that...
At the Expert Level, CIPM candidates are required to learn a few of the more commonly used linking methodologies for smoothing the attribution effects that come from arithmetic models. The required methodologies include: CariñoMencheroGRAPOf these methods, the GRAP...
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