Mandelbrot, who did the experiment with stockexchanges prices, for example, noted that although the outcomes were variable, there were, in fact, certain constancy.
例如,做过股票交易所价格实验的曼德尔布洛特指出,尽管结果是可变的,但实际上存在一定的一致性。
2
Next to Canada, Israel is the most represented country on US stockexchanges.
在美国证券交易所里,以色列公司数量紧次于加拿大。
3
The earliest stockexchanges emerge in Bruges and Italy in the thirteenth century.