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The physics of economics

Put two economists in a room together and you’ll get three different opinions on the state and future direction of the economy. Surely economics, the dismal ’science’, could learn something from one of the true sciences, such as physics? Certainly there have been efforts to do so, particularly among large investment banks and hedge funds, who have used quantitative analysis tools running on powerful computer systems to try to tease out the signals from the noise of price movements, taking into account thousands of different influences from interest rates to tax variations, asset prices to currency exchange rates and much more, all on the basis that there is some underlying predictability, some ‘law’ that governs price movement. Which...

posted on: Mar 11, 2008 | author: Alex