The results showed that there were bi-directional relation and long-run equilibrium relationship.
结果表明：中国和美国棉花期货价格存在双向引导和长期均衡关系；
Research results showed that: (1) there is causality and long-run equilibrium relationship between education and farmers' income.
研究结果表明：(1)教育和农民收入存在一定的因果关系和长期均衡关系。
The results indicate that China's stock market wealth effect is significantly existed from the long-run equilibrium relationship;
研究结果认为：从长期均衡关系看，我国股市财富效应是显著存在；
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