ECON 350
Spring 2015
Problem Set 2: Due 04/16/15
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight.
1. The following table contains data on number of children (kid
ECON 350
Fall 2016
Problem Set 1: Due 09/29/16
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight.
1. Suppose we are interested in explaining a relationship between
ECON 350
Fall 2015
Problem Set 1: Due 10/01/15
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight.
1. Suppose we are interested in explaining a relationship between
ECON 350
Fall 2015
Problem Set 2: Due 10/08/15
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight.
1. The following table contains data on number of children (kids)
ECON 350
Spring 2015
Problem Set 1: Due 04/09/15
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight.
1. Suppose we are interested in explaining a relationship betwe
ECON 350
Spring 2015
Problem Set 3: Due 05/12/15
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight. You do NOT need to attach Stata output
with your answers, but b
ECON 350
Fall 2015
Problem Set 3: Due 10/03/15
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight. You do NOT need to attach Stata output
with your answers, but be
ECON 350
Fall 2015
Problem Set 4: Due 11/10/15
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight. You do NOT need to attach Stata output
with your answers, but be
ECON 350: APPLIED ECONOMETRICS I
OLS (Ordinary Least Squares)
To find the expressions for 0 and 1 , we minimize the RSS:
n
n
n
i =1
i =1
i =1
L = u i2 = ( y i y i ) 2 = ( y i 0 1 xi ) 2 .
Therefore we get two expressions:
Expression 1:
n
n
n
L
= 2( yi 0
Applied Econometrics - ECON 350
Fall 2015
Classes: Tu and Th 2:00 3:50 p.m. in Pearlstein 202
Instructor: Irina Murtazashvili
Email: [email protected]
Office Hours: Tu and Th
ECON 350
Fall 2015
Problem Set 1: Due 10/01/15
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight.
1. Suppose we are interested in explaining a relationship between
ECON 350
Fall 2016
Problem Set 1: Due 09/29/16
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight.
1. Suppose we are interested in explaining a relationship between
ECON 350
Practice Midterm Exam 2
Directions: Write the solutions to the following problems directly on the exam. Be sure to
show your work where necessary. If you need more space, please write on the backs of
pages. The exam is worth a total of 33 points,
ECON 350
Practice Midterm Exam 1
Directions: Write the solutions to the following problems directly on the exam. Be sure to
show your work where necessary. If you need more space, please write on the backs of
pages. The exam is worth a total of 34 points,
ECON 350
Fall 2016
Problem Set 2: Due 10/06/16
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight.
1. The following table contains data on number of children (kids)
ECON 350
Fall 2016
Problem Set 3: Due 11/01/16
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight. You do NOT need to attach Stata output
with your answers, but be
ECON350
Problem Set 1
1.
a) TRUE.
b) FALSE.
2.
a) FALSE.
b) TRUE.
3.
i) Income, family background, education, number of siblings, marital status, etc. could all be u.
Each of these factors can be correlated with years of education as the years of educatio
ECON 350
Fall 2016
Problem Set 3: Due 11/01/16
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight. You do NOT need to attach Stata output
with your answers, but be
ECON350
Problem Set 3
1) i) We can find 1 which is a slope coefficient from a simple regression of x2 on x1.
The negative sign of the slope coefficient shows negative correlations between the two
variables.
ii) The regression makes sense without perfect c
ECON 350
Fall 2016
Problem Set 2: Due 10/06/16
Please be sure that the pages are stapled together in the correct order. Please write neatly.
Parts within each question receive equal weight.
1. The following table contains data on number of children (kids)
Irina Murtazashvili
Drexel University
RUDIMENTS OF STATA
This handout covers the most often encountered Stata commands. It is not
comprehensive, but the summary will allow you to do basic data management and basic
econometrics. I will provide some informa
Victoria Tran
Professor Irina Murtazashvili
ECON 350: PS 2
5 October 2015
1. The data in the table represents a representative sample of the population. The data shows
a strongly negative correlation, but theres no set function determining educations effe
Irina Murtazashvili
Drexel University
EXAMPLES OF F TESTS
. use MLB1.DTA
. * Test for exclusion of rbisyr, hrunsyr in major league baseball salary
. * regression.
.
. * First, estimate the unrestricted model:
. reg lsalary years gamesyr bavg runsyr rbisyr
Irina Murtazashvili
Drexel University
EXAMPLES OF t TESTS
. use gpa1
. des
Contains data from C:\GPA1.DTA
obs:
141
vars:
29
8 Jul 1998 11:14
size:
6,345 (99.4% of memory free)
-storage display
value
variable name
type
format
label
variable label
-age
byte