以往的经济增长波动研究多局限于长周期经济增长波动研究，研究方法多采用统计学相关知识。

The previous study of fluctuation of economic growth is limited to fluctuation of long-term economic growth and its research methods mainly use statistical knowledge.

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为此，BCG指数计入健康、教育和基础设施以及GDP增长波动和不平等之类更为不寻常的指标。

To do so the BCG index takes into account investment in health, education and infrastructure as well as more unusual measures such as the volatility of GDP growth and inequality.

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在1998年以前广东省房地产波动大于经济增长波动，相对缺乏理性，并且两者增长率呈现相同的变化趋势。

Before 1998, Guangdong Province fluctuations in the real estate are more volatile than economic growth and both showed the same growth rate trends. All these phenomenons were lack of rationality.

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One--the first wave of REIT growth occurred right after Congress passed the 1960 bill.

EITs增长的第一波高潮,发生在国会1960年法案通过之后

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