Monday 7 November 2011

Beware the Inner Reptile.

A very interesting article on some of the work of Andrew Lo by Gillian Tett: MIT finance professor Andrew Lo's market theories draw on research from the fields of neuroscience, evolution, and econometrics

In an article called 'Beware the Inner Reptile', Tett describes Lo's interesting angle and contribution to the field of behavioural finance, in particular he suggests that humans behave in a perfectly rational way in “normal” times, but will resort to their animalistic behaviours during times of panic. He link his work to earlier evolutionary development studies of the 'Triune Brain' by Paul MacLean. 

Thus when markets go awry and things start to go 'bump in the night', traders and investors start to resort more on using both their mammalian brain and their reptilian brain. However, previous experience of markets has been confined to using and utilising the Hominoid part of the brain. One point of interest within the article is an interesting spin on the debate over the effectiveness of the EMH. The article can be seen here.

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