Operating Principle
2–4 min read
Response curves are concave, so linear budget assumptions overspend saturated channels.
Operating Question
Why It Matters
Response curves are concave, so linear budget assumptions overspend saturated channels.
Supporting Evidence
Andrew Ehrenberg; John Philip Jones.
Research Notes
Apply with category context, audience attention, and the limits of available evidence in mind.
Practical Actions
Test saturation; diversify earlier; model concave returns.
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