Through co-integration test, error correction model (ECM) and the Granger causality, the degree of integration of 20 major producing and purchasing area was tested in China.

 
  • 通过协整检验、误差修正模型(ECM)和格兰杰因果关系检验分别对中国20个苹果主产或者主销地区的市场整合程度进行分析。
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