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On the Interpretation of Instrumental Variables in the Presence of Specification Errors

Author

Listed:
  • Stephen G. Hall,

    ()

  • P. A. V. B. Swamy

    ()

  • George S. Tavlas

    ()

Abstract

The method of instrumental variables (IV) and the generalized method of moments (GMM), and their applications to the estimation of errors-in-variables and simultaneous equations models in econometrics, require data on a sufficient number of instrumental variables that are both exogenous and relevant. We argue that, in general, such instruments (weak or strong) cannot exist.

Suggested Citation

  • Stephen G. Hall, & P. A. V. B. Swamy & George S. Tavlas, 2014. "On the Interpretation of Instrumental Variables in the Presence of Specification Errors," Discussion Papers in Economics 14/19, Department of Economics, University of Leicester.
  • Handle: RePEc:lec:leecon:14/19
    as

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    File URL: http://www.le.ac.uk/economics/research/repec/lec/leecon/dp14-19.pdf
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    References listed on IDEAS

    as
    1. Stephen Hall & P. Swamy & George Tavlas, 2012. "Generalized cointegration: a new concept with an application to health expenditure and health outcomes," Empirical Economics, Springer, vol. 42(2), pages 603-618, April.
    2. P. Swamy & George Tavlas, 2007. "The New Keynesian Phillips Curve and Inflation Expectations: Re-Specification and Interpretation," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 31(2), pages 293-306, May.
    3. Xu Cheng & Zhipeng Liao, 2011. "Select the Valid and Relevant Moments: An Information-Based LASSO for GMM with Many Moments, Second Version," PIER Working Paper Archive 13-062, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania, revised 21 Oct 2013.
    4. Timothy G. Conley & Christian B. Hansen & Peter E. Rossi, 2012. "Plausibly Exogenous," The Review of Economics and Statistics, MIT Press, vol. 94(1), pages 260-272, February.
    5. Cheng, Xu & Liao, Zhipeng, 2015. "Select the valid and relevant moments: An information-based LASSO for GMM with many moments," Journal of Econometrics, Elsevier, vol. 186(2), pages 443-464.
    6. Douglas Staiger & James H. Stock, 1997. "Instrumental Variables Regression with Weak Instruments," Econometrica, Econometric Society, vol. 65(3), pages 557-586, May.
    7. Pratt, John W. & Schlaifer, Robert, 1988. "On the interpretation and observation of laws," Journal of Econometrics, Elsevier, vol. 39(1-2), pages 23-52.
    8. Michael P. Murray, 2006. "Avoiding Invalid Instruments and Coping with Weak Instruments," Journal of Economic Perspectives, American Economic Association, vol. 20(4), pages 111-132, Fall.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. P.A.V.B. Swamy & I-Lok Chang & Jatinder S. Mehta & William H. Greene & Stephen G. Hall & George S. Tavlas, 2016. "Removing Specification Errors from the Usual Formulation of Binary Choice Models," Econometrics, MDPI, Open Access Journal, vol. 4(2), pages 1-21, June.
    2. P.A.V.B. Swamy & Stephen G. Hall & George S. Tavlas & I-Lok Chang & Heather D. Gibson & William H. Greene & Jatinder S. Mehta, 2016. "A Method for Measuring Treatment Effects on the Treated without Randomization," Econometrics, MDPI, Open Access Journal, vol. 4(2), pages 1-23, March.
    3. Sergio Scicchitano, 2015. "Exploring the gender wage gap in the managerial labour market:a counterfactual decomposition analysis," Working Papers 2, Department of the Treasury, Ministry of the Economy and of Finance.
    4. repec:gam:jecnmx:v:4:y:2016:i:2:p:19:d:66559 is not listed on IDEAS
    5. repec:gam:jecnmx:v:4:y:2015:i:1:p:1:d:61313 is not listed on IDEAS
    6. Duo Qin, 2015. "Letís Take the Bias Out of Econometrics," Working Papers 192, Department of Economics, SOAS, University of London, UK.
    7. repec:gam:jecnmx:v:5:y:2017:i:3:p:31-:d:105094 is not listed on IDEAS
    8. Duo Qin & Sophie van Huellen & Qing-Chao Wang, 2015. "How Credible Are Shrinking Wage Elasticities of Married Women Labour Supply?," Econometrics, MDPI, Open Access Journal, vol. 4(1), pages 1-31, December.

    More about this item

    Keywords

    instrumental variables; generalized method of moments; random coefficient models;

    JEL classification:

    • C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Bayesian Analysis: General
    • C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General

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