Stop Pushing the Speedometer: Why Cost-Per-Hire Shouldn't Drive Your Hiring Strategy

"A KPI is like a speedometer. People try to make the car go faster by pushing the needle with a finger."

That is the analogy I use with Talroo’s managers. It makes Goodhart’s law concrete: once a measurement becomes the target, people optimize the measurement instead of the result.

The answer isn’t to remove KPIs. That would be like removing the speedometer.

The answer is to avoid attaching too much incentive to any single number.

A KPI should inform judgment, not replace it.

In talent acquisition, the clearest example is cost-per-hire. Using it as the ultimate measure of hiring success distorts strategy and damages outcomes.

I recently spoke with a trucking company that loses about $1,500 every single day a truck sits idle. Yet its TA leaders are being asked to cut cost-per-hire from $2,000 to $1,000.

The company celebrates saving $1,000 on recruiting while an unfilled seat burns $1,500 every day.

Filling the role just one day faster creates more value than the recruiting savings.

For many frontline employers:

Cost-per-hire is already down to roughly one day of payroll. Squeezing it to half a day saves almost nothing.

Losing a new hire, however, means weeks of lost productivity, another recruiting cycle, extra training costs, and team disruption.

Improving retention by even 10% creates far more value than shaving a few dollars off cost-per-hire.

And that math still leaves out what a great hire adds over time to customer service and reputation.

This is why Talroo built SmartQualify.

By making pay, schedule, commute, and expectations crystal clear early in the application process, well-matched candidates apply with strong intent, while mismatched candidates self-select out.

Strong intent and clear expectations build engagement, performance, and retention.

Clarity makes sense philosophically.

It also makes sense economically.

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