Finance Papers

Document Type

Journal Article

Date of this Version

2005

Publication Source

Economics Letters

Volume

89

Issue

3

Start Page

333

Last Page

342

DOI

10.1016/j.econlet.2005.06.007

Abstract

This paper provides weak-instrument asymptotic representations of tests for instrument validity by Hahn and Hausman's (HH) [Hahn, J., Hausman, J., 2002. A new specification test for the validity of instrumental variables. Econometrica 70, 163–189.], and uses these representations to compute asymptotic power against weak or irrelevant instruments. The HH tests were proposed as pretests, and the asymptotic properties of post-test inferences, conditional on the tests failing to reject instrument validity, are also examined.

Copyright/Permission Statement

© 2005. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/.

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Date Posted: 27 November 2017

This document has been peer reviewed.