PHX
HumanExecutionServes HX in the framework

The Denominator Rule

“Output is capped by vision clarity and human experience. Strengthen the base and everything above it gets more powerful.”

The challenge

Companies pour resources into the numerator (more tools, more agents) while the denominator, clarity and the human-machine interface, stays weak. You cannot out-tool a small denominator. You can only divide by it.

The framework
01

Everything sits over a base

Vision clarity and human experience are the denominator. All output is divided by them.

02

Weak base, wasted top

A brilliant model over a confusing interface produces confident noise at scale.

03

Strengthen the base first

A denominator that is 10% stronger multiplies every unit of effort above it, which is cheaper than piling more on top.

A worked example

A team buys three more AI tools and ships no faster. They stop and fix the denominator: one clear owner, one shared definition of good, one clean interface to the agents. And the tools they already had start producing, because the base finally supports them.

Where it fails · the limit

The denominator can be over-engineered: past a point, more process and polish on the base is just numerator bloat with better manners. Strengthen until the friction is gone, then stop.

Run it on your org

Are you adding to the top of the fraction, or strengthening the bottom?

In short
  • Output gets divided by clarity and HX before it gets counted.
  • A stronger base multiplies everything above it.
  • Fix the denominator before you buy more numerator.
For you this week · no budget required
01Pick one workflow and write its single definition of good.
02Remove one source of ambiguity in how work is handed to your tools.
The Denominator Rule · The Blank Collar