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Rembert De Blander
''Which null hypothesis do overidentification restrictions actually test?''
( 2008, Vol. 3 No.76 )
In this note I investigate which alternatives are detected by over-identifying restrictions tests, when we test the null hypothesis that all excluded instruments are exogenous. A reformulated null hypothesis will result in a consistent test.
Keywords: IV estimation
JEL: C2 - Single Equation Models; Single Variables: General
Manuscript Received : Dec 02 2008 Manuscript Accepted : Dec 08 2008

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