Dimensional Fund Advisors (DFA), the investment firm that I co-founded with David Booth 31 years ago, now can be counted as one of the many companies that has moved its headquarters from California.

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Professor David Booth, Dr Peter Macreadie and Ashley Fowler have formed the Decommissioning Ecology Group to promote consideration of the idea, which Professor Booth took to the national congress of the Australian Petroleum Production and Exploration Association in Perth this week.

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"They (the Klitschko brothers) want a defining fight and David wants a defining fight, " said Booth.

BBC: David Haye stops Audley Harrison to retain WBA title

The most common question David Zwirner director Ales Ortuzar is asked at the booth: How much is it?

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Perhaps some of the ultra-lean approaches described by leading early-stage VCs like David Grainger (blog here) of Index Ventures and Bruce Booth (blog here) of Atlas will prove out, and introduce at least a ray of optimism into this vital but existentially challenged space.

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