Why Retail Media Breaks Marketing Mix Models (MMMs)
March 26, 2025

By Skye Frontier
For decades, brands have relied on marketing mix models (MMMs) to prove the value of their investments in advertising. These models, built to assess the mix of paid media channels like TV, print and digital display, helped marketers justify budgets and optimize their allocations. But as retail media networks (RMNs) attract billions in ad dollars, marketers are running into a major problem — MMMs weren’t designed to handle the complexity, speed and ever-changing nature of retail media.
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Courtesy of The Association of National Advertisers