In 2012, MIT researchers Andrew McAfee and Erik Brynjolfsson published one of the largest studies ever done on how companies actually make decisions. They surveyed 179 large public companies, rated how data-driven each one's decision-making was, and then checked that rating against real financial performance.
The companies that led on data-driven decision-making weren't marginally better. They were on average 5 percent more productive and 6 percent more profitable than competitors with otherwise similar investments in technology and management practices. The gap wasn't explained by industry, size, or how much the company spent on software. It was explained by whether decisions ran on measurement or on the most senior person's judgment call.
Experience and measurement aren't competitors, most companies just never build both. The finding that mattered most wasn't that data beats intuition. It's that the companies pulling ahead weren't replacing experienced judgment with a dashboard. They were requiring their experienced people to back their calls with a real number before those calls became company decisions. The expertise still set the direction. The measurement is what confirmed whether the direction was actually right.
Most companies never build that second half. A sales leader, an operations manager, or an owner makes a confident call, the company acts on it, and whether it worked gets judged by how the quarter felt rather than by a number that was tracked before and after the decision. That's not a failure of talent. It's a structural gap, and it's exactly the gap the highest-performing companies in McAfee and Brynjolfsson's study had closed.
What this looks like in a real engagement: a management consulting engagement built around this finding doesn't start with a fix. It starts by establishing a real, measured baseline for whatever the theory going in happens to be, revenue, a hiring decision, an operations bottleneck, or a sales process, before anything gets recommended. The judgment of the people who know the business is still what points toward the right question. The baseline number is what confirms whether the answer is actually right.
People lie. Numbers don't. That's not a new idea. It's what a decade-old study of 179 companies already proved, and it's the standard most businesses still haven't built into how they decide anything.