lunes, diciembre 01, 2008

De behavioral al hormonal economics

Hormones and the Money Markets. Mmm, parece que el avance de la ciencia permite hacer estudios con resultados un tanto llamativos. 
Meera - How did you go about actually testing this in City traders?

John - I got access to the floor in the City and we took salivery steroids from a group of traders over a two week period to test that steroids were in fact responding to the money they were making and losing in the market and whether this, in turn, was affecting their trading performance.

Meera - What did you find?

John - We found that the traders, if they had high testosterone in the morning relative the the median levels, they made a lot more money for the rest of the day than they did on the days when they had low testosterone.

Meera - When most people think of testosterone they obviously associate it largely with males. Does this then mean that females are relatively unaffected?

John - Women have about 10% of the testosterone that men do. It's entirely possible that they're not subject to this kind of overconfidence.

Meera - But you're also looking into levels of cortisol, as well.

John - That's right. In the current environment that may be the more interesting steroid. When the market turns around it turns into a crash what can happen is that cortisol, which is a stress hormone, can become elevated in the bodies of traders. Cortisol, if you're exposed to it chronically at high levels for a long period of time, it can have a devastating effect on both the mind and the body. In terms of affecting traders decisions what it can do is affect the memories you recall. You tend to recall bad memories, negative precedents. You tend to see risk where maybe there is none. You become fearful, you feel anxiety. I think that decreases a trader's appetite for risk. While testosterone is causing people to take too much risk cortisol is causing people to take too little risk in the crash.

Meera - What do you think the current situation is now? Do you think there are going to be higher levels or cortisol in the traders at the moment?

John - It's not only how far the market has fallen. It's how long it's been falling. These traders have been under stress for almost a year and a half now. Their cortisol levels must be elevated. I'm sure there's a very good chance it's affecting their decisions.

Link a la nota completa.

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4 Comentarios:

At 1:26 p. m., Blogger Tincho said...

No queda otra Abuelo, hay que poner huevos, jeje.

Che, que interesante eso. Al estar tanto tiempo expuestos a situaciones extresantes y de panico pierden la memoria y se vuelven temeroso.

At 3:02 p. m., Blogger El del 0.33% said...

Mas vale que no les hagan analisis de otras sustancias porque se van a llevar una flor de sorpresa.

No hay floor trader que no se meta algo en el cuerpo.

At 12:27 p. m., Blogger Abuelo Económico said...

Si usted lo dice 0,33%!!! no quiero preguntar demasiado por las dudas, je

Así es Tincho, pero esos estudios mmm, qué se yo...

At 7:21 a. m., Anonymous Anónimo said...

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