Week 9 Flashcards by Cedonia Peterson

Q

Classical Errors-in-Variables assumption

A

Cov(e1, x1*) = 0

Estimator of beta 1 is biased/inconsistent

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Q

Cov(x + y, z)

A

Cov(x, z) + Cov(y, z)

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Q

Cov(x, x)

A

Var(x)

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Q

Attenuation Bias

A

The magnitude of an effect is weakened toward zero

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