关键词: 计量经济模型, 数据, 拟合, 缺陷

Abstract: At present, Econometric models have found a wide range of applications on economic research.However their reliability can be easily understand by intend or unintended abuses. No doubt, econometricmodels have the advantage of revealing the numerical relationships on economic phenomena, but thereexist certain fatal flaws on these econometric models, which if not treated properly will lead to unexpectedmistakes in economic forecast or analysis. In this article some common flaws in econmetric models areinvestigated and some useful measures are suggested for their improvement.