But currencies tend to be zero-sum games over time, and gold, arguably, is a lousy store of wealth.

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Rather than seeking to come out on top in zero-sum games, millennials strive for consensus.

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As Robert Wright argues in the amazing book, Nonzero, every so often, there are dramatic technological advances that create the potential for larger and more complicated nonzero-sum games on a societal level.

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But wagers on credit-default swaps are zero-sum games.

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This realization turns zero-sum games into positive-sum behavior.

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Since choosing to leave a 25-year litigation practice by starting a mediation career six years ago, I have spilled thousands of digital words and spoken to, trained and lectured thousands of men and women about the folly of zero-sum games.

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But if a zero-sum, winner-take-all struggle for leverage is the name of the game, those games seldom conclude as the winners might hope.

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David Braben is asking for a large sum for a game that won't be ready for 18 months - by which time the games world will have changed again.

BBC: Elite reborn