Stocks overvalued longer and more often than previously thought, says study

qui, fev 02 2017

A study of the most commonly-traded US stocks over the last 13-years finds 13,000 'bubbles,' or periods when the stocks were overpriced. ...

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Our brain uses statistics to calculate confidence, make decisions

qua, fev 01 2017

The brain produces feelings of confidence that inform decisions the same way statistics pulls patterns out of noisy data. This feeling of confidence is central to decision making, and, despite ample evidence of human fallibility, the subjective feeling relies on objective calculations. ...

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