Government should also aim to create certainty because business investment decisions are mostly long-term.

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It would also aim to ensure greater certainty for business to make investment decisions within faster and clearer timeframes.

BBC: Balls: UK 'crying out' for growth

The only certainty in the crisis is that big decisions will have to be made very soon.

ECONOMIST: In need of resolution

It was a course where I could easily draw the line between academic theory and real-world applicability, where coin-flip decisions could be made with near certainty using data analysis.

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It tells you to look within yourself and ask: Would I make the most important decisions of my life based on the level of certainty I have about these facts?

CNN: Transcript: White House Counsel Ruff's opening statement