研究证明，小波神经网络所建立的非线性误差校正模型有较好的预测效果，能够有效地预测非线性经济系统。

The results validate more validity of nonlinear error correction model on the wavelet neural network than linear vector autoregressive model, and forecast validly the nonlinear economy system.

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指出并非对任意非线性协整系统，都存在误差校正模型的表现形式。

The research results show that the error—correcting model may not exist in arbitrary non—linear cointegration system .

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