A cautionary note on tests for overidentifying restrictions
Paulo Parente () and
João Santos Silva ()
Economics Discussion Papers from University of Essex, Department of Economics
Tests of overidentifying restrictions are widely used in practice. However, there is often confusion about the nature of their null hypothesis and about the interpretation of their outcome. In this note we argue that these tests give little information on whether the instruments are correlated with the errors of the underlaying economic model and on whether they identify parameters of interest.
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Journal Article: A cautionary note on tests of overidentifying restrictions (2012)
Working Paper: A Cautionary Note on Tests for Overidentifying Restrictions (2011)
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