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Investor Behaviour & Biases

Costly financial mistakes rarely come from picking the wrong asset; they come from trusting the wrong intuition. Compounding underestimated, past performance read as a promise, saving confused with investing, a 1% fee that looks negligible: each bias follows a measurable mechanism. The analyses here put numbers on it, and the simulators let readers test their own assumptions against the arithmetic.

13pieces
5in-depth analyses
6quick reads

Where to start

Three reads, in order: the basics, the full mechanism, then what the data says.

Research and data

Our in-depth research and the downloadable series on the subject.

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Quick reads

Comparisons and common misconceptions: the essentials in a few minutes.

Related topics

The subjects that most often intersect with this topic in our analyses.