On holding losers and selling winners: our emotional brains and the disposition effects

I am delighted to introduce a guest blog by Dr Daniel Richards about some research we collaborated on. The disposition effect describes a bias that causes investors to be more willing to sell investments that have risen in in value than those that have fallen in value. Our research shows that investors who rely less on emotions and intuition and investors who manage their emotions more effectively are less likely to show this investment bias.

Different Minds: why we need human capabilities and machine intelligence*

“There have been great societies that did not use the wheel, but there have been no societies that did not tell stories.” —Ursula K. LeGuin To listen to some scholars of decision-making, it is a great wonder that humans have survived as long as they have. We are constantly prone to biases, rely on simplistic… Continue reading Different Minds: why we need human capabilities and machine intelligence*

‘The heart has its reasons’: emotions and cognition in the world of finance

Let’s call him James, a trader in a City investment bank; young, smartly dressed, confident, and a little impatient. He sat across from me in the interview: “It’s really important to stay cool. For myself, I can say that I really don’t have much emotion while I trade”. Half an hour later, as he relaxed… Continue reading ‘The heart has its reasons’: emotions and cognition in the world of finance

On the false contrast between rationality and emotion

It is common to contrast emotions with rationality (usually in tandem with proclaiming the superiority of reason over emotion). Take for example this post on the changingminds blog. It is also the claim at the heart of Ayn Rand's morally barren apologia for the extremes of modern capitalism, 'Atlas Shrugged'. In this book she claims… Continue reading On the false contrast between rationality and emotion