Huanren Zhang
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Econ 360 - Spring 2013
Problem Set 9
(Advanced Topic: Instrumental Variables)
Due at the beginning of class on Monday, April 8
True/False
(18 points) Please write the entire word. No explanations are required.
1. Consider
Huanren Zhang
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Econ 360 - Spring 2013
Problem Set 1
Due at the beginning of class on Monday, January 14
True/False
(30 points) Please write the entire word. No explanations are required.
1. If (ai , bi ) : i = 1, 2, . . . , n and (xi , y
Huanren Zhang
[email protected]
Econ 360 - Spring 2013
Problem Set 4
Due at the beginning of class on Monday, February 11
True/False
(10 points) Please write the entire word. No explanations are required.
1. Heteroskedasticity causes the OLS estimator to
Huanren Zhang
[email protected]
Econ 360 - Spring 2013
Problem Set 6
Due at the beginning of class on Monday, March 4
Multiple Choice Questions
(20 points)
Suppose you regressed the grade point averages (GP A) of 100 college students on their hours
of st
Huanren Zhang
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Econ 360 - Spring 2013
Problem Set 3
Due at the beginning of class on Monday, February 4
Multiple Choice Questions
(33 points)
Suppose that a random sample of 200 male students is selected from Purdues student
population.
Huanren Zhang
[email protected]
Econ 360 - Spring 2013
Problem Set 2
Due at the beginning of class on Monday, January 28
True/False
(30 points) Please write the entire word. No explanations are required.
1. If E (u|x) = E (u) then we say that u is mean i
Huanren Zhang
[email protected]
Econ 360 - Spring 2013
Problem Set 5
Due at the beginning of class on Wednesday, February 20
True/False
(10 points) Please write the entire word. No explanations are required.
1. If the distribution of j becomes more tight
Huanren Zhang
[email protected]
Econ 360 - Spring 2013
Problem Set 7
Due at the beginning of class on Monday, March 18
Multiple Choice Questions
(12 points)
The following model allows the return to education to depend upon the total amount of both
parent
Huanren Zhang
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Econ 360 - Spring 2013
Problem Set 11
(Advanced Topics: Panel Data)
Due at the beginning of class on Monday, April 22
True/False
(15 points) Please write the entire word. No explanations are required.
1. There is no way to
Huanren Zhang
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Econ 360 - Spring 2013
Problem Set 10
(Advanced Topics: Time Series)
Due at the beginning of class on Monday, April 15
True/False
(16 points) Please write the entire word. No explanations are required.
1. If yt and xt are
Huanren Zhang
[email protected]
Econ 360 - Spring 2013
Problem Set 8
Due at the beginning of class on Monday, March 25
True/False
(22 points) Please write the entire word. No explanations are required.
1. Heteroskedasticity causes the OLS estimator to be