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Lost cause

As explained in Causal AI

A lost cause is a person who would experience the undesirable outcome regardless of whether the promotion or treatment is applied.

A lost cause is a person who will experience the undesirable outcome regardless of whether a promotion or other treatment is applied. In churn analysis, the subscriber leaves with or without the promotion. section 8.3.3

Lost causes are non-responders: treatment does not change their outcome. They differ from sure things, who remain regardless; persuadables, who benefit from treatment; and sleeping dogs, who are harmed by it. section 8.3.3

Promotion and churn

A retention promotion sent to a lost cause spends incentive value without preventing churn. Uplift targeting therefore seeks persuadables and avoids lost causes, sure things, and especially sleeping dogs. section 8.3.3

Figure 8.5 In attempts to influence behavior, we break down the target population into these four segments. Given limited resources, we want to target our influence efforts on the persuadables and avoid the others, especially the sleeping dogs.
figure

Use the four-segment diagram to compare lost causes with the other counterfactual response groups and identify why targeting matters. section 8.3.3

How Causal AI covers it

How deep it goes
Defines lost causes through binary counterfactual outcomes and contrasts them with three response segments, stopping short of an identification procedure.
Examples
Uses subscribers receiving retention promotions and classifies their possible churn responses into four counterfactual segments.
What it assumes
Assumes a binary promotion and outcome while introducing counterfactual reasoning through subscriber churn.
What you can do after
Apply uplift modeling to prioritize persuadables and avoid targeting lost causes.
How it connects
Connects lost causes to uplift modeling, binary counterfactuals, churn, treatment targeting, and sleeping dogs.

Related concepts

This explainer was generated by Manning's knowledge graph from the text of Causal AI. The section links point to the parts of the book it draws on.