Marketing Science8 min read

Marginal ROI vs ROI: Why efficiency beats revenue

Understanding why modern marketing optimization focuses on efficiency, not volume. Learn how marginal ROI transforms budget allocation and why the slope matters more than the height.

Cyril Noirot
Cyril Noirot
August 5, 2025
Cyril Noirot

Written by

Cyril Noirot

Data scientist specializing in decision systems for forecasting, pricing, marketing measurement, and risk.

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