A taxonomy of biases in Marketing Mix Model effect estimation – Part 3
ScanmarQED
MAY 15, 2025
The avid reader will recall that from the perspective of an analyst fitting an MMM, those are two kinds of biases the part 1 biases are caused by omitting variables from the model specification and the part 2 biases are caused by adding variables into the model specification. How does this classify as a Bias?
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