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Media Mix Modeling (MMM)

A statistical analysis technique that measures the impact of various marketing channels and external factors on business outcomes like sales or signups. MMM uses historical aggregate data to determine optimal budget allocation across channels.

Media mix modeling analyzes historical data to understand how each marketing channel contributes to business outcomes while accounting for external factors like seasonality, economic conditions, and competitive activity. Unlike attribution models that track individual user journeys, MMM works with aggregate data, making it resilient to privacy restrictions and cross-device tracking challenges.

For growth teams managing significant marketing budgets, MMM provides strategic guidance on channel allocation that individual-level attribution cannot. It answers questions like: What happens if we increase social spend by 30%? Where are the diminishing returns in our paid search budget? How much does brand marketing contribute to direct-response performance? Modern MMM has been transformed by open-source tools like Meta's Robyn and Google's Meridian, making it accessible to teams without large analytics budgets. The key requirements are sufficient historical data (typically 2-3 years of weekly data), variation in channel spend over time, and accurate recording of marketing investments and business outcomes. Use MMM for strategic planning and attribution models for tactical optimization.

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