Ideas

Why Complex Decisions Need Systems

When the stakes are low and the variables are few, intuition serves us reasonably well. Choosing a restaurant or a route to work rarely requires deliberate machinery. But as decisions grow complex — involving many…

The Limits of Individual Expertise

Expertise is one of civilization's most valuable assets. Yet the deference we grant experts often rests on a misunderstanding of what expertise actually is — and, more importantly, where it stops. Expertise is not a…

Why Incentives Shape Recommendations

When we ask for a recommendation — from a doctor, a financial advisor, a salesperson, a search engine, or a friend — we implicitly assume the answer is optimized for our interests. But recommendations are produced by…

Why Auditability Matters in Professional Services

Professional services — law, medicine, accounting, consulting, financial advice, engineering — share a defining feature: clients purchase judgment they cannot themselves evaluate. This asymmetry is the reason the…

Human Judgment in an AI World

Artificial intelligence now drafts contracts, reads radiographs, screens résumés, prices insurance, and recommends sentences. The question this raises is often framed as a contest — human versus machine, who decides…

Open Architecture versus Closed Distribution

Every industry that connects producers to consumers through intermediaries faces the same architectural choice. Should the channel be open — a neutral conduit through which any qualifying product can flow, chosen on…

Why Family Protection Is a System, Not a Product

Ask most households how they protect their families and they will name purchases: a life insurance policy, a health plan, an emergency fund, perhaps a will drafted years ago. Each is real and each matters. But the…

What Scientific Thinking Can Teach Us About Financial Decisions

Science is not a body of facts; it is a method for being less wrong over time. Its core moves — form hypotheses, demand evidence, quantify uncertainty, seek disconfirmation, control for chance, update on results — were…

Why Second Opinions Improve Major Decisions

The practice is ancient and the logic is modern: before committing to something consequential — a surgery, a merger, a career change, a legal strategy, a large investment — get another qualified mind to look at it…