We also expected much better performance from Blu-ray and had purchased to a higher level of demand.

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Consumption of wheat, rice and maize roughly tracks population growth but at a higher level, so demand for them will add about a billion tonnes to the 2 billion produced in 2005-07.

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However, if there was a spike in demand, those companies would start hiring as soon as the level of demand was higher than their ability to meet it.

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