Working Ideas | Andrew Marritt | Substack

Working Ideas

Exploring model- and data-centric perspectives on the world of work.

By Andrew Marritt

· Launched 2 months ago

We Borrowed From the Wrong Sport

People Analytics learned from baseball. With a World Cup on, football is the better mirror - and it reflects a problem the field has long avoided.

11 hrs ago • Andrew Marritt

Every hire is a bet made in the dark

Across the interview table, both of you are managing a signal. There's a Nobel-winning theory for what happens next.

Jun 17 • Andrew Marritt

The output gap between your best and worst performers is probably larger than a year’s salary - and most organisations act as if it doesn’t…

One number, thirty-five years old, quietly contradicts the way almost every organisation sets pay, plans headcount, and prices attrition.

Jun 3 • Andrew Marritt

The cost of silence: a hard-headed case for psychological safety

Psychological safety isn't the soft end of management. It's a monitoring problem with a price tag most firms never calculate.

May 20 • Andrew Marritt

The performance distribution in your organisation is not the one you think it is

Why the performance distribution you observe tells you almost nothing about the one that actually exists.

May 6 • Andrew Marritt

The Analyst Who Changed Nothing

Why quantitative analysis alone cannot coach decisions - and why that matters more now than ever

Apr 22 • Andrew Marritt

Analysis Is Not the Point

People Analytics has spent fifteen years getting better at producing analysis. It still doesn’t reliably change decisions. The reason is hiding in plain…

Dec 11, 2025 • Andrew Marritt

Working Ideas

Exploring model- and data-centric perspectives on the world of work.