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Department of Economics
Harvard University
Economics 1123
Fall 2015
Problem Set #1
Suggested Solutions
1. Estimate a regression of gaspc on pumpprice and write out the regression in equation form,
with heteroskedasticity-robust standard error below the re
Introductory Econometrics
Roger Williams University
Economics 303
Fall 2016
Problem Set #4
Part 1: An Empirical Investigation of the Determinants of Economic Growth
This question considers one of the big questions in economics: What are the determinants o
Department of Economics
Roger Williams University
Economics 303
Fall 2014
Economics 1123, Problem Set 2, Table 2
Determinants of Terrorism
(1)
lnftmpop
(2)
lnftmpop
(3)
lnftmpop
(4)
lnftmpop
(5)
lnftmpop
(lngdppc)2
-.312490
( .15040)
_
-.27913
(.2035)
_
.
Introductory Econometrics
Roger Williams University
Econ303
Fall 2016
3. Regression 1 estimates the effect of cartel on price. And Regression 2 6 give
different estimates of the demand for shipping. Most of these estimates are biased for
one reason or ano
Nicholas Marcotte
12-6-15
Econometrics 303.01
Gregg
Alcohol and Employment
A reasonable assumption would be that heavy drinking of alcohol could lead to
issues with employment. The general assumption would be that drinkers would have a
more difficult time
Introductory Econometrics
Roger Williams University
Economics 303
Fall 2015
Problem Set #7
Children and Mothers Paid Work
Due: Thursday Nov. 5, 2015
Over the final four decades of the 20th century, the female labor force participation rate in the
U.S. ros
Introductory Econometrics
Roger Williams University
ECON 303
Fall 2015
Problem Set #8
Cartels and Price Fixing
Due: Tuesday, November 17, 2015
In the US, both Federal and state governments spent millions of dollars on anti-trust suits against
Microsoft. P
Answers to Problem Set 5
1. Each scatterplot is located below.
According to the ftmpop-gdppc scatterplot, those two variables are related in a non-linear
fashion. By taking the natural log of both variables, the relationship between the two logged
variabl
Introductory Economics
Roger Williams University
Economics 303
Fall 2016
Problem Set #7
Cellphone Laws and Highway Safety
Laboratory research has shown that talking on a cell phone substantially impairs driver
performance. Texting while driving further di
Department of Economics
Roger Williams University
Economics 303
Fall 2014
Problem Set #5
Economic Determinants of Terrorism
What are the root causes of terrorism? Poverty? Repressive political regimes? Religious
or ethnic conflicts arising from heterogene
ECON 303: Introductory Econometrics
Prof. Gregg
1. Problem Set #2: Confidence Intervals & Hypothesis Testing
For this problem set you will have to use the data set minimum.dta which is available on
Bridges under the folder Resources. There are observation
Econ 303: Introductory Econometrics
Problem Set 3
Prof. Gregg
For this problem set you will have to use the data set lalonde.dta which
is available on Bridges website for the course. The data come from a job
training program, the National Supported Work p
ECON 303: Introductory Econometrics
Prof. Gregg
1. Problem Set #1: Introduction to Probability and Statistics
(1) For this question you will have to use the data set nlsy.dta which is available on
the Bridges website for the course. There are observations
ECON 303: Introduction to Econometrics
Prof. Gregg
Problem Set 3
KEY
First Question: Worth 30 points,
Second Question: Worth 15 points
February 25, 2013
For this problem set you will have to use the data set lalonde.dta which
is available on Bridges websi
ECON 303: Introductory Econometrics
Prof. Gregg
1. Problem Set #2 Key: Confidence Intervals & Hypothesis Testing
For this problem set you will have to use the data set minimum.dta which is available
on Bridges under the folder Assignments. There are obser
ECON 303: Introduction to Econometrics
Prof. Gregg
Problem Set 1
Key
September 15, 2016
1. Suppose there are two tests for a disease. The first test has the following
properties. If someone has the disease and does the test, the test comes
out positive wi
Introductory Econometrics
Economics 303
Fall 2016
Problem Set #4
Suggested Solutions
1. Estimate a regression of growth on tradeshr and write out the regression in equation form,
with heteroskedasticity-robust standard error below the respective regressio
Gabelli School of Business
Roger Williams University
Fall 2015
ECON 303: Introduction to Econometrics Fall Semester 2015
Professor: Matt Gregg
Class time: TTH 12:30-1:50, SB 2100
Office Phone: 254-3160
Email: [email protected]
Office: Gabelli SB 214
Office H
Nick Marcotte
11-4-15
Problem set 7
Gregg
2.) The internal validity of the results id related to the trends of a lower fertility rate for
women as the women participation in the labor force is increased. This is likely explained
by the fact that women who
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