中国进出口贸易现状分析(20 页)Good is good, but better carries it.精益求精，善益求善。目录摘 要..................................................................................................................................................IABSTRACT.........................................................................................................................................I1.导论………………………………………………………………………………………………………...12.数据处理与统计分析...................................................................................................................................1 2.1 数据样本与变量指标............................................................................................................................1 2.1.1 数据来源........................................................................................................................................12.1.2 数据处理.......................................................................................................................................2 2.2 统计分析................................................................................................................................................2 2.2.1 相关分析.......................................................................................................................................2 2.2.2 初步 OLS 回归..............................................................................................................................3 2.2.3 平稳性检验...................................................................................................................................5 2.2.4 协整检验......................................................................................................................................10 2.2.5 ECM 误差修正模型....................................................................................................................
