The main reason why the gap is so large is that America's economy is growing much faster than the rest of the world's.

ECONOMIST: Trading places

Rising capital gains and dividends among the wealthy were the main driver of the widening gap, he concluded, accounting for 72 percent of the increase.

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Some of the rack was removed last week to create a gap in front of the main door.

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The 10km gap between Johannesburg and its main dormitory town, the former black township of Soweto, remains desolate and undeveloped.

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But over the past month he has narrowed the gap between himself and his main adversary to only five percentage points.

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The main argument is that globalisation has widened the gap in earnings between top managers and other workers.

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Across the Atlantic, the U.S. Congressional Budget Office, the main referee of U.S. budget policy, in January estimated the U.S. gap at 5.3% of GDP.

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