Recall that a Keynesian liquidity trap occurs at the point when interest rates become so low that cash balances are passively held regardless of their size.

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One big economic reason why countries get stuck in this "middle-income trap" is that they reach what is known as the " Lewis Point".

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Miguel Angel Jimenez's awesome recovery from the sand trap at the sweet 16th nudged him towards a first full Ryder Cup point in eight matches since 2004 - finished off beautifully at the signature 18th with a textbook birdie.

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Only on the domestic right was the West Point speech ambiguous, with the opposition falling into the same trap as on an economy already in ascent, with the corporate profits bubble about to leak into major league job creation.

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They also point out that China's sheer size will protect it from the commodity trap.

ECONOMIST: Schumpeter