It is found that since about 1997, there is strong stochastic behaviour of the one lag pricebehaviour.
实证结果表明：大约自1997年以来，一期价格行为表现出很强的随机性。
2
Since coverage spread gradually, this provided an ideal way to gauge the effect of mobile phones on the fishermen's behaviour, the price of fish, and the amount of waste.
随着覆盖面的逐步扩大，手机就成为测量手机对渔民行为影响、渔产品价格及浪费数量的理想方法。
3
They are not seeking truth or elegance, just a way of capturing the behaviour of a market and of linking an unobservable or illiquid price to prices in traded markets.