When a manager controls their own capital asset base, success cannot be measured by profit alone. A division that generates $1 million in profit using $2 million in capital assets is vastly more efficient than a division that generates the same $1 million in profit but requires $20 million in assets. Return on Investment (ROI) scales profitability against asset usage.

To gain deeper strategic insights, the standard ROI formula is broken down into two distinct operational drivers:

“ROI” = (“Operating Profit (EBIT)”/”Sales Revenue”) × (“Sales Revenue”/”Average Capital Employed”)

This breakdown shows that a manager can boost their ROI in two ways: either by widening their profit margin (cutting expenses or raising prices) or by accelerating asset turnover (generating more sales volume from each dollar of assets).

While simple to use, ROI carries a major behavioral flaw known as sub-optimization. If a high-performing manager is judged strictly on their ROI percentage, they will routinely reject new project investments that are highly profitable for the overall company if the project’s return is slightly below their division’s current high average.