Commercial real estate demand is derived from activity in the overall economy.

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The demand for corn-derived ethanol has resulted in upward price pressure on certain foods.

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The software forecasts demand for specific products and stores derived from a database of sales history, broken into half-hour increments.

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More than half of the firm's revenues are derived from selling in rural India, where demand for its products is growing five times faster than in saturated urban markets.

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If they truly believe that these interrogations did not and could not yield useful intelligence, they should demand that the CIA identify all the information derived directly or indirectly from enhanced interrogation.

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The logic behind this is derived from a theory called Ricardian equivalence, which holds that government spending cannot boost demand, since consumers cut their own expenditure in anticipation of higher taxes ahead.

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One big seller: the coal-derived carbon material that is used in the smelting of aluminum, which in turn is in strong demand in the airplane and construction industries.

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Meanwhile, foreign companies who have derived an increasing proportion of their sales and profits from the US market could also be hit by falling demand for their exports.

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