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Consider the Following Simple Regression Model Y = 0

Question 18

Multiple Choice

Consider the following simple regression model y = Consider the following simple regression model y = <sub>0</sub> + <sub>1</sub>x<sub>1</sub> + u. Suppose z is an instrument for x. if Cov(z,u) = 0 and Cov(z,x) 0, the value of <sub>1</sub> in terms of population covariances is _____. A) B) C) Cov(z,u) D) Cov(z,x) 0 + Consider the following simple regression model y = <sub>0</sub> + <sub>1</sub>x<sub>1</sub> + u. Suppose z is an instrument for x. if Cov(z,u) = 0 and Cov(z,x) 0, the value of <sub>1</sub> in terms of population covariances is _____. A) B) C) Cov(z,u) D) Cov(z,x) 1x1 + u. Suppose z is an instrument for x. if Cov(z,u) = 0 and Cov(z,x) Consider the following simple regression model y = <sub>0</sub> + <sub>1</sub>x<sub>1</sub> + u. Suppose z is an instrument for x. if Cov(z,u) = 0 and Cov(z,x) 0, the value of <sub>1</sub> in terms of population covariances is _____. A) B) C) Cov(z,u) D) Cov(z,x) 0, the value of Consider the following simple regression model y = <sub>0</sub> + <sub>1</sub>x<sub>1</sub> + u. Suppose z is an instrument for x. if Cov(z,u) = 0 and Cov(z,x) 0, the value of <sub>1</sub> in terms of population covariances is _____. A) B) C) Cov(z,u) D) Cov(z,x) 1 in terms of population covariances is _____.


A) Consider the following simple regression model y = <sub>0</sub> + <sub>1</sub>x<sub>1</sub> + u. Suppose z is an instrument for x. if Cov(z,u) = 0 and Cov(z,x) 0, the value of <sub>1</sub> in terms of population covariances is _____. A) B) C) Cov(z,u) D) Cov(z,x)
B) Consider the following simple regression model y = <sub>0</sub> + <sub>1</sub>x<sub>1</sub> + u. Suppose z is an instrument for x. if Cov(z,u) = 0 and Cov(z,x) 0, the value of <sub>1</sub> in terms of population covariances is _____. A) B) C) Cov(z,u) D) Cov(z,x)
C) Cov(z,u)
D) Cov(z,x)

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