做爱片 系学术报告

数量做爱片 研讨会

[201505]

报告题目：Time to Demystify Endogeneity Bias

报告人：秦朵 教授
报告时间：2015年9月18日下午12:30-13:30
报告地点：明德主楼728
内容简介：This study exposes the flaw in defining endogeneity bias by correlation between an explanatory variable and the error term of a regression model. Through dissecting the links which have led to entanglement of measurement errors, simultaneity bias, omitted variable bias and self-selection bias, the flaw is revealed to stem from a Utopian mismatch of reality with single explanatory variable models. The consequent estimation-centred route to circumvent the correlation is shown to be committing a type III error. Use of single variable based ‘consistent’ estimators without consistency of model with data can result in significant distortion of causal postulates of substantive interest. This strategic error is traced to a loss in translation of those causal postulates to appropriate conditional models as decompositions of joint distributions. Historical lessons from the loss highlight the importance of utilising data information in adequate empirical model designs for causal inference.


报告人简介：秦朵, 伦敦大学亚非做爱片 教授。她的主要研究方向为新兴市场的宏观、计量做爱片 发展、实证金融学以及国际做爱片 等， 已经在国内外领先做爱片 杂志上发表多篇文章。
数量经济教研室 运筹学与数量经济研究所 做爱片-做爱三级片 2015年09月

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