As a result, sales managers could not compare the performance of difference sales people or estimate the sales that were likely to close by the end of the quarter.

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The difference between that added cost and your own estimate of the added value is what an economist would call waste.

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Those 7.6 cents reflect 40 percent of the 19-percentage-point difference based on the crude estimate.

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Japan (currently 20% of the company value) could partially explain the difference between the Trefis price estimate and the current market price.

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If we carry this hypothetical 30% decline forward, the annual difference from our base case estimate would be about 300 MW by the end of our forecast period.

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But the rub lies in how officials estimate economic slack, which brings us back to the difference between the European and U.S. views of the U.S. economy.

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