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BALANCED VARIABLE ADDITION IN LINEAR MODELS

delete2018-02-13
delete11
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OA
AI
G
Giuseppe De Luca
J
Jan R. Magnus
F
Franco Peracchi *
DOI:10.1111/joes.12245delete
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Abstract

Abstract

En 中文
This paper studies what happens when we move from a short regression to a long regression in a setting where both regressions are subject to misspecification. In this setup, the least-squares estimator in the long regression may have larger inconsistency than the least-squares estimator in the short regression. We provide a simple interpretation for the comparison of the inconsistencies and study under which conditions the additional regressors in the long regression represent a balanced addition to the short regression.
Keywords:
Bias amplification
Inconsistency
Least-squares estimators
Mean squared error
Omitted variables
Proxy variables
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Journal

Journal of Economic Surveys cover
Journal of Economic Surveys
IF:
5
Papers:
1.2K
Citations:
5.9K

Organization

V
Vrije Universiteit Amsterdam
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4.2W
Papers: 3.7W
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U
University of Palermo
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G
Georgetown University
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