Gross margin: the quickest test of pricing power
Why gross margin is often the first number to check when judging a business, what high and low margins usually signal, and how founders can design for healthy margins.
10 min read
Insights
Articles on operations, manufacturing, engineering, decision making, finance and business. Organised by subject, so you can find what matters to you.

Why gross margin is often the first number to check when judging a business, what high and low margins usually signal, and how founders can design for healthy margins.
10 min read
Housing is most households' largest asset and a major driver of the economy. What pushes house prices up, how to judge whether a housing boom has become stretched, and what it means for businesses.
10 min read
Sales training often says buyers decide with a primitive brain. The real science is more interesting. What we know about emotion and reason in decisions, and how to sell honestly.
10 min read
In some service businesses customers trust the organisation; in others they trust individuals. That difference decides who captures the profit, and it shapes how service businesses should be built.
10 min read
Build a planning process that includes decision-makers and implementers, surfaces practical constraints and turns shared discussion into clear, supported commitments.
13 min read
Systems can learn by copying expert demonstrations. How behavioural cloning, cascading errors, expert correction and inverse reinforcement learning work, and what they teach about know-how.
10 min read
How to estimate conversion rates, defect rates and success rates when you only have a little data, using priors, pseudo-counts and honest uncertainty instead of misleading percentages.
10 min read
Rising asset prices make it easy to borrow against homes and investments. How leverage magnifies gains and losses, why boom-time borrowing is so risky, and how to keep it safe.
10 min read
Most of us believe we listen well, few of us were ever taught how, and our minds wander faster than people speak. What that means, and four practical ways to listen better in customer conversations.
10 min read
When problems are too large to solve completely, decision makers plan from the current situation by looking a few steps ahead. How lookahead, rollouts, Monte Carlo tree search and re-planning work.
10 min read
A practical four-stage way to manage sales opportunities, from finding the right people to keeping customers long after the first sale, and what each stage asks of you.
11 min read
Why rough prototypes are often more useful than polished ones, how to decide what each prototype should learn, and how to keep early tests cheap, quick and honest.
11 min read
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