"I haven't been able to detect any correlation between low-cost carriers and enhanced risks from flying, " he said.

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Do remember, though, that in general there remains a strong correlation between MSRP and total ownership cost.

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Any correlation simply results from inflation lowering the real cost of employment.

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The first is obviously what you just mentioned, which is the direct correlation between the reduction and the reduction of parenteral nutrition, the reduction in cost.

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One way for investors to mitigate high correlation, RBC argues, is concentrating the number of stocks in a portfolio and sacrificing the potential cost of somewhat higher return variance.

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