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Table Table 1 Growth that compounds

Why is statistical churn probability an insufficient basis for customer retention spend?

ObjectQuestionWhat it does not answer
Churn riskHow likely is the customer to leave under the stated prediction frame?Whether an offer changes the risk
ResponseHow likely is the customer to react to an offer?Whether the reaction creates profit
Incremental effectWhat changes because the intervention is made rather than withheld?Whether the change covers its cost
Intervention costWhat does it cost to make and deliver the offer?Whether the customer would have stayed without it
Postcampaign cash flowWhat financial flow remains after the intervention under the declared horizon?Whether the customer is valuable in every future period
Profit liftWhat incremental value remains after cost?Whether the estimate transfers to another setting

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Reference & Evidence

Source: Table from this essay. Sources and interpretation are given in the article.