Using a method popularised by Jeffrey Frankel of Harvard University and Shang-Jin Wei of Columbia, they looked at the fluctuations of Asian currencies against the Swiss franc.

利用哈佛大学的杰弗里·弗兰克和哥伦比亚大学的魏尚进所普及的一种方法，他们研究了亚洲货币对瑞士法郎的波动情况。

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"The inflation concern makes the government much more willing to exercise this tool, " said Shang-Jin Wei, Professor of Chinese Business and Economy at Columbia University.

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One recent study, by an American academic, Shang-Jin Wei, calculated that an increase in the level of corruption from that of Singapore to that of, say, Mexico would be the equivalent of increasing the tax burden on foreign investors by over 20%.

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