IN the year 1908 Chiao Kuei-chai, an old man in Kweichow province, began making a note of grain prices as they fluctuated daily on the market. Shortly after the founding of the New China in 1949, he...
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IN the year 1908 Chiao Kuei-chai, an old man in Kweichow province, began making a note of grain prices as they fluctuated daily on the market. Shortly after the founding of the New China in 1949, he...