Problem Set 5 Answers
Economics 3125
Fall 2013
Claire S.H. Lim
Attach printouts of your Stata do le and log le for computer exercises.
1. The data in 401K.DTA are a subset of data analyzed by Papke (1995) to study the relationship between participation in
Problem Set 4 Answers
Economics 3125
Fall 2013
Claire S.H. Lim
Due Friday, Nov 1 in sections
Attach printouts of your Stata do le and log le for questions 3 and 4. (The usage of do-les and
log-les was covered by the TA in Section 2.)
1. You are hired by
ECON 3125
Prof. Claire Lim
Fall 2013
Midterm Exam 2
Nov 5, 1:25-2:40 p.m.
Question 1 (Probability Distribution, 20
function
F (x) =
points) If X has the following cumulative distribution
0
1/3
1/2
5/6
1
for
for
for
for
for
x<1
1x<4
4x<6
6 x < 10
x 10
nd
(
Problem Set 3 Answers
Economics 3125
Fall 2013
Claire S.H. Lim
1. Suppose that at a large university, college grade point average, GP A and SAT Score, SAT
are related by the conditional expectation E(GP A|SAT ) = 0.70 + 0.002 SAT .
(a) Find the expected G
Problem Set 6 Answers
Economics 3125
Fall 2013
Claire S.H. Lim
1. The median starting salary for new law school graduates is determined by
log(salary) = 0 + 1 LSAT + 2 GPA + 3 log(libvol) + 4 log(cost) + 5 rank + u
where LSAT is the median LSAT score for
ECON 3210
Applied Econometrics
Spring 2013
Midterm Exam 1
Feb 21, 1:25-2:35 p.m.
Question 1 (10 points) Suppose you are a health economist, studying the eect of drinking on
workers health and income. Using data on a sizable number of individuals, say ve t
ECON 3210
Applied Econometrics
Spring 2013
Midterm Exam 2
April 4, 1:25-2:35 p.m.
Question 1 (Probability Density Function, Total 20 points)
The ages of a group of executives attending a convention are uniformly distributed between 35
and 65 years. If the
2013 Spring Econ 3210 Prelim 1 solution
1
Question 1
Suppose you are a health economist, studying the eect of drinking on workers health and
income. Using data on a sizable number of individuals, say ve thousands, you nd that those
who drink three glasses
ECON 3210
Applied Econometrics
Spring 2013
Final Exam
May 15, 2:00-3:30 p.m.
Question 1 (Total 35 points) Based on 107 students exam scores, we estimate the following
model:
y = 0 + 1 x1 + 2 x2 + 3 x3 + u
(1)
where
y
x1
x2
x3
:
:
:
:
students actual exam
ECON 3210
Applied Econometrics
Spring 2013
Midterm Exam 2
April 4, 1:25-2:35 p.m.
Question 1 (Probability Density Function, Total 20 points)
The ages of a group of executives attending a convention are uniformly distributed between 35
and 65 years. If the
ECON 3210
Applied Econometrics
Spring 2013
Final Exam
May 15, 2:00-3:30 p.m.
Question 1 (Total 35 points) Based on 107 students exam scores, we estimate the following
model:
y = 0 + 1 x1 + 2 x2 + 3 x3 + u
(1)
where
y
x1
x2
x3
:
:
:
:
students actual exam
Problem Set 1 Answers
Economics 3125
Fall 2013
Claire S.H. Lim
1. Based on Wooldrige 1.2. A justication for job training programs is that they improve worker productivity. Suppose that you are asked to evaluate whether more job training makes workers more