V2EX endogeneity

Endogeneity

定义 Definition

内生性:在统计/计量经济学中,指解释变量与误差项相关(或变量由系统内部共同决定),从而使回归估计产生偏误、无法进行可靠的因果推断。常见来源包括遗漏变量反向因果测量误差同时性等。(该词在其他学科也可泛指“由系统内部产生/决定的性质”。)

发音 Pronunciation (IPA)

/enddnti/

例句 Examples

Endogeneity can bias the results of a simple regression.
内生性会使简单回归的结果产生偏误。

To address endogeneity, researchers often use instrumental variables or randomized experiments to identify causal effects.
为了解决内生性问题,研究者常使用工具变量或随机实验来识别因果效应。

词源 Etymology

endogeneity 来自 endogenous(“内生的”)+ 名词后缀 -ity(表示“性质/状态”)。endogenous 源于希腊语词根:**endo-**(“内部”)+ -gen(“产生、起源”)。因此该词字面含义为“由内部产生的性质”,在计量经济学中进一步专指“变量与模型误差项相关导致的内生性”。

相关词 Related Words

文学与经典著作 Literary Works

  • Mostly Harmless Econometrics(Angrist & Pischke)在因果推断语境下讨论内生性与工具变量等方法。
  • Econometric Analysis(William H. Greene)系统讲解内生性、估计偏误与检验/处理方法。
  • Introductory Econometrics: A Modern Approach(Jeffrey M. Wooldridge)以教学方式反复使用并解释 endogeneity 的核心概念。
  • Econometric Methods(Johnston & DiNardo)经典计量教材中关于内生性与联立方程模型的讨论。
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