Attribution has trained marketers to stare at the last visible click. That is useful for some optimisations, but it is a weak way to understand how brand, media, seasonality and channel investment work together.
Marketing mix modelling gives teams a wider lens. The modern version does not need to be slow, academic or locked away in an annual report. It can become a planning tool for better budget conversations.
Measure the system, not only the click
Growth brands need to know which channels are creating demand, which are harvesting it, and where creative or spend has hit diminishing returns. MMM helps separate correlation from contribution.
AI improves the workflow by making modelling, scenario planning and explanation faster, but the output still needs commercial judgment. A model is useful only when the team can act on it.
- Combine spend, sales, seasonality and channel data.
- Use models to plan increments, not only explain history.
- Compare MMM with platform reporting and experiments.
- Translate results into budget, creative and channel moves.
The goal is not perfect certainty. The goal is better decisions with less mythology around what is really driving growth.