Working out where to best spend your next pound of budget is a question that marketers have been trying to answer for years.
Companies want to get the biggest bang for their buck and one way of doing this is to look at the more advanced metric of marginal ROI.
The calculation for overall ROI is the total revenue you’ve achieved, divided by the total spend.
In contrast marginal ROI models focus on the predicted increase in revenue from an increase in spending, so what your next unit of budget will deliver…
How marginal ROI tells you where to spend your digital marketing budget
