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本文利用1997年7月到2004年7月全国20个主要城市的红松原木价格和12个城市的杉原木价格数据,采用协整检验和格兰杰因果关系检验的方法测试中国木材市场在长期和短期的整合程度。结果表明,在多种政策的作用下,中国木材市场存在长期的整合关系,但不存在短期的整合关系。
Based on the data of korean pine logs in 20 major cities and the fir logs in 12 cities from July 1997 to July 2004 in China, the co-integration test and Granger causality test were used to test the Chinese timber market in long-term And the degree of short-term integration. The results show that under the action of various policies, there is a long-term integrated relationship in China’s timber market, but there is no short-term integration.