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Small Concentration Asymptotics and Instrumental Variables Inference Author info | Abstract | Publisher info | Download info | Related research | Statistics D.S. Poskitt
C.L. Skeels
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Poskitt and Skeels (2005) provide a new approximation to the sampling distribution of the IV estimator in a simultaneous equations model, the approximation is appropriate when the concentration parameter associated with the reduced form model is small. We present approximations to the sampling distributions of various functions of the IV estimator based upon small-concentration asymptotics, and investigate hypothesis testing procedures and confidence region construction using these approximations. We explore the relationship between our work and the K statistic of Kleibergen (2002) and demonstrate that our results can be used to explain the sampling behaviour of the K statistic in simultaneous equations models where identification is weak.
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Paper provided by The University of Melbourne in its series Department of Economics - Working Papers Series with number
948.
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Length: 31 pages
Date of creation: 2005Date of revision:
Handle: RePEc:mlb:wpaper:948Contact details of provider: Postal: Department of Economics, The University of Melbourne, 5th Floor, Economics and Commerce Building, Victoria, 3010, Australia Phone: +61 3 8344 5289 Fax: +61 3 8344 6899 Email: Web page: http://www.economics.unimelb.edu.au More information through EDIRC
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Keywords: simultaneous equations model IV estimator weak identification weak instruments small-concentration asymptotics Other versions of this item:
Find related papers by JEL classification: C10 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: General - - - General C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: General - - - Hypothesis Testing C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: General - - - Estimation C30 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - General
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile , click on "citations" and make appropriate adjustments.: D. S. Poskitt & C. L. Skeels, 2004.
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Russell Davidson & James G. MacKinnon, 2006.
"Bootstrap Inference in a Linear Equation Estimated by Instrumental Variables ,"
Working Papers
1024, Queen's University, Department of Economics.
[Downloadable!]
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