Should the United States now disrupt the British program due to its inability to supply D-5 missiles when and in the quantity called for by bilateral agreements, it could have a catastrophic effect on the viability of the U.K. Trident and severely strain relations between two key allied governments.

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He said that there was now an inability to match supply with demand and the problem lay with "training for jobs which simply are not there".

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And this imbalance between the supply of lawyers, the rising cost of adding to that supply and the likely inability of those lawyers to get jobs means that fewer people are willing to sign up to pay tuition.

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The con of gold is that the inability to expand and contract supply in line with the economy can create problems.

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He said the Green Investment Bank had been "hobbled" by its inability to borrow and called for energy efficiency to be given "equal value" to energy supply in policy-making.

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