When an exogenous instrument is used IV estimators are a consistent and

When an exogenous instrument is used iv estimators

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10.  When an exogenous instrument is used, IV estimators area.)  consistent and approximately normally distributed in large samplesb.)  unbiased and BLUE in all sample sizesc.)  consistent if z is normally distributedd.)  normally distributed in all sample sizes and consistent in large sample sizesAns:  aLevel:  Moderate
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Section:  10.311.  Which of the following statements is true regarding var when estimated by IV using z as an instrument for x?12.  In 2SLS, how should the strength of an instrument be measured?13.  What is the null hypothesis when performing an F-test to test the strength of an instrument?
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14.  What should you conclude if you get an F-statistic of 8.3 when testing the strength ofan instrument?
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