Marketing Science

Causal Identification, Uplift, and Contribution: The Three Pillars of Marketing Mix Modeling

Understanding the critical distinctions between causal identification, uplift, and contribution—and why conflating them leads to bad marketing decisions

Cyril Noirot

March 7, 2025

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12 min read

Six months later, after doubling down on TV spend, sales had dropped 20%. What went wrong?

They confused: - contribution: what happened - uplift: what happens when you add the next dollar

Their TV spending was already deep into diminishing returns. Each additional dollar was generating only \$0.60 in sales.

Meanwhile, their nascent TikTok campaigns, contributing just 3% of sales, were generating \$4.50 for every dollar spent.

About the author

Cyril Noirot

Lead Data Scientist

Freelance data scientist. I design and ship decision systems — forecasting, pricing, marketing measurement, optimization.

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