The European Commission's Mr. Barnier also said his group was looking at options for structural changes in the banking sector, including the Volcker rule and the recent Vickers report in the U.K., which recommended ring-fencing, or roping off, bank's domestic retail deposits from the rest of their operations.

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But another group believes that the American economy is plagued by structural imbalances which could continue to constrain growth even after the war is over.

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The company is in the midst of a structural overhaul, offloading About.com and its regional media group.

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In its prior corporate strategy announcement, Sony stated that through the combination of these structural reform measures and business portfolio realignment it expected to reduce headcount across the entire Sony Group, primarily in the electronics business, by approximately 10, 000 in the fiscal year ending March 31, 2013 ("FY12"), including approximately 3, 000 to 4, 000 in Japan.

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The core economies have deep structural problems and the world economy is in a state of disequilibrium, says Jan Dehn, an economist at Ashmore Group in the U.K. Ashmore has its hands in emerging market debt.

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