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Physics

Evolution can help head off the next financial crash

To avoid financial crises we must ditch ideological arguments about regulation and understand that the economy is an ecosystem, say three complexity theorists

By Eduardo Viegas, Henrik Jeldtoft Jensen and Geoffrey West

29 October 2014

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Regulate and die? Reducing market diversity is just asking for trouble

(Image: Lucas Jackson/Reuters)

“WHY did nobody notice it?” the Queen famously asked after the 2008 credit crunch.

A few years after this we were sitting in a London cafe pondering a similar question. In fact, we were discussing a basic paradox in economics and finance. All the major schools of economic thought have an underlying premise that, over the long term, the forces of supply and demand reach an equilibrium and converge around a relatively stable middle point. In a similar way, the concept of “fair price”, where the…

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