The hedging ratio and performance of China's soybean futures market is superior to these of hard wheat futures market.

中国大豆期货市场套期保值比率与绩效要优于硬麦期货市场。

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The article educed that the series of hard wheat futures and spot prices show their first-order difference stationary, I (1) process, by the unit root test.

通过单位根检验，确定硬麦期货与现货价格序列具有一阶差分平稳性即i(1)过程。

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There is thus little threat to Kansas City's main product, futures and options on hard red winter wheat.

ECONOMIST: Grains of truth