Similarly, Jenny Aker of the University of California at Berkeley analysed grain markets in Niger to see how the phasing-in of mobile-phone coverage between 2001 and 2006 affected prices.
类似地,加州大学伯克利分校的Jenny Aker分析了尼日尔的谷物市场,研究2001至2006年手机网络的覆盖对价格造成的影响。
Similarly, Jenny Aker of the University of California at Berkeley analysed grain markets in Niger to see how the phasing-in of mobile-phone coverage between 2001 and 2006 affected prices.
类似地,加州大学伯克利分校的Jenny Aker分析了尼日尔的谷物市场,研究2001至2006年手机网络的覆盖对价格造成的影响。
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