It says that most investors would be better off simply buying a low-cost index fund that holds all the securities in the market rather than using either quantitative models or intuition in an attempt to beat the market.

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Rather than the interaction pattern analysis which is essentially a counting or quantitative problem, we are now looking for the deeper meaning, a qualitative problem.

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In an interview for the Aberdeen Press and Journal at the weekend, the Bank's chief economist, Spencer Dale, said it would not be appropriate for the BoE to restart its quantitative easing programme if supply-side problems, rather than a lack of demand, were the reason for the UK's weak economic recovery.

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Often, the distinction is made that quantitative easing implies the purchase of longer-term Treasury bonds rather than short term Treasury bills.

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But, foreign quantitative easing (QE) has had greater impact on equity indexes rather than the forex market.

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The only difference under quantitative easing is that the purchases probably focus on longer-term Treasury securities rather than short-term Treasury securities hoping to push longer-term yields down a bit as well as get credit and money flowing again.

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