There are two main reasons, argues Martin Weale, director of the National Institute of Economic and Social Research (NIESR), a think-tank.

国家经济社会研究所是一个智囊团。其所长Martin Weale表示，造成上述情况有两个原因。

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This bleak picture comes from the National Institute of economic and Social Research (NIESR), which said the economic downturn is worsening.

这幅凄凉的画面来自于国家经济和社会研究所(NIESR)表示，这些经济衰退正在恶化。

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The UK economy contracted by 0.3% in the last three months of 2012, according to the National Institute of Economic and Social Research (NIESR).

BBC: Cranes in London