Âé¶¹´«Ã½

Market maker

By Duncan Graham-Rowe

25 May 2002

A STOCK market that’s not only run by computers but designed by them too would generate hundreds of billions of dollars’ worth of extra profit for their human controllers. So says artificial intelligence expert David Cliff, who applied the principles of evolution to allow his software to develop the ideal marketplace.

Cliff’s software created a super-auctioneer that can orchestrate buying and selling in a new type of stock market: one where the traders are all software-based agents. The idea could even introduce an ethical dimension to trading. Cliff found that in his marketplace, fewer people paid inflated prices and everyone was able to maximise profits.…

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