India has not been alone in watching bad luck and unfortunate timing undo its hopes.

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Mr Knapp said its remarkable condition was not just down to pilot skill, but also a lot of luck.

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With luck, that will bring its own positive dynamic, and eurozone politicians will not face another "moment of truth" in the financial markets.

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For those not put off by its remorselessly chirpy tone, this book contains some valuable self-help advice, not least in a discussion about luck, which, apart from the dumb kind, the authors believe is something that can be influenced.

ECONOMIST: Starting out