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    Real Econometrics The Right Tools to Answer Important Questions
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    Exam 9: Instrumental Variables: Using Exogenous Variation to Fight Endogen
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    If Z Is a Weak Instrument, Please Explain How Its
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If Z Is a Weak Instrument, Please Explain How Its

Question 22

Question 22

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If Z is a weak instrument, please explain how its use will influence the variance of Bj.

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A weak instrument is one that does a poo...

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