中文摘要：

本文比较分析了两项关于FDI与中国区域经济发展差异的研究成果，通过分析这两项成果间迥异的研究结论和相应的近乎对立的政策主张，剖析了实证研究中可能形成的二次统计误差，提请人们从变量选择、模型方法、数据运用等各个方面，全面关注实证研究的客观性和科学性。

英文摘要：

The paper compares two studies on FDI and regional gap of economic development. It analyzes the secondary error possibly formed during experimental researches through the comparative research. The author suggests that attentions should be attached to objectivism and scientificity of experimental research in respect of choosing variables, model establishing and data application.