A Note on the Distribution Functions of LIML and 2SLS Structural Coefficient Estimators in the Exactly Identified Case
Many alternative techniques of estimating coefficients appearing in the structural representation of econometric models have been developed. The techniques of two-stage least squares (2SLS) and limited information maximum likelihood (LIML) yield identical estimates in the exactly identified case. Th...
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| المؤلفون الرئيسيون: | , |
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| التنسيق: | text |
| اللغة: | English |
| منشور في: |
Institutional Knowledge at Singapore Management University
1979
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| الموضوعات: | |
| الوصول للمادة أونلاين: | https://ink.library.smu.edu.sg/soe_research/156 |
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| المؤسسة: | Singapore Management University |
| اللغة: | English |
| الملخص: | Many alternative techniques of estimating coefficients appearing in the structural representation of econometric models have been developed. The techniques of two-stage least squares (2SLS) and limited information maximum likelihood (LIML) yield identical estimates in the exactly identified case. The derivations of the density functions of these estimators for overidentified structural equations do not formally include the exactly identified case. In this note we demonstrate that the previously obtained density functions include results consistent with exact identification as a special case. A correction to the expression for the LIML density function obtained by Mariano and Sawa is also reported. |
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