Behaviour
Behavioural finance has a replication problem
Some of the most quoted findings in the field have held up poorly under retesting. Knowing which parts are solid matters more than…
Behaviour
Selling in a fall, chasing returns, and the habits that cost the most.
21 articles · updated August 11, 2026 · page 2 of 2
Behaviour
Financial news is published daily whether or not anything happened
The volume of market coverage is set by a publishing schedule, not by the amount of genuinely new information. The two are…
Behaviour
The price you paid should not be part of the decision
What a holding cost you is a fact about your own history, not about its future. It still dominates how most people decide when to…
Behaviour
Everybody in the group chat is winning
People report their good decisions and go quiet about the others. The resulting picture of how everyone else is doing is…
Behaviour
Two kinds of regret, and only one gets rehearsed
Regret from acting feels sharper than regret from failing to act. Portfolios quietly get built around avoiding the sharper one.
Behaviour
Motivation runs out, which is what the habit is for
Enthusiasm at the start is not a resource you can budget for. Arrangements that work without it are the ones still running in year…
Behaviour
A witness makes a plan harder to abandon
Telling one person what you intend to do changes the cost of quietly not doing it. That is the whole mechanism, and it works.
Behaviour
Ask what you would tell a friend holding this
People give clearer advice to others than to themselves. The gap is wide enough to be worth exploiting on purpose.
Behaviour
Apps that are pleasant to open are expensive to own
Interfaces are designed to be used, and using an investment account more is not remotely the same as using it better.