EC421
Homework 2 - Solutions
Gulcan Cil
HOMEWORK 2 - Solutions
Use Restaurants data set that you have used for Homework 1 the questions in this assignment.
The location variable in our restaurants data set indicates the location of each restaurant in Chic
EC421
Homework 3 - Solutions
Gulcan Cil
HOMEWORK 3 - Solutions
1- Exercise 7.1 in the text (page 287 in 4th edition and page in 3rd edition)
H0 : no heteroscedasticity
HA : heteroscedasticity
Test statistic:
RSS2
RSS1
=
28101
321
= 87.548
Critical value:
EC421
Homework 1 - Solutions
Gulcan Cil
HOMEWORK 1 - Solutions
1- For the following questions, include the relevant Stata output (table, histogram, plot etc.) to your
answer.
a) What is the average food quality rating in the sample? What is the highest av
EC421
Homework 4 - Solutions
Gulcan Cil
HOMEWORK 4 - Solutions
1- The true model: Stocks are a function of expected sales:
e
Yi = 1 + 2 Xi
But the investigator has data on actual sales, which dier from expected sales by u:
e
Xi = Xi + ui
So, the estimated
Midterm Exam A
Instructor: Nate Adams
August 3, 2015
Student Number:
Instructions: You have two hours to ﬁnish this exam. Please read each question carefully
and be sure to ask questions if you do not understand what the question is asking. Use
math, grap
EC 320 Final Practice Problems
Note: These practice problems are taken from material covered since the midterm
only. Remember to also look at all the problems from the homeworks, Quiz 1 and 2,
and the midterm.
Practice Problem 1: Suppose we are interested
Economics 313 Sample midterm 1 questions
Professor George W. Evans
Department of Economics, University of Oregon
The midterm is a closed book/closed notes exam. Calculators will be provided. You may not
use your own calculator.
These sample questions are
Midterm Solutions (White Form)
EC 320
Professor Piger
Fall 2012
Solution to Question 1
The graph should have an x-axis labeled X and a y-axis labeled f(X). The pdf will be
zero for X<-2 or X>2. The pdf will be a straight line of height 0.25 for values of
University of Oregon
Department of Economics
Due: In Lab Week of April 4
Professor Caroline Weber
Spring 2016
Assignment #1: OLS
Economics 421
Introduction to Econometrics
1. Determinants of Resume Callbacks in Mexico
This data set was used in the analysi
Xiangyi Lu
EC 421
HW #6
Question 1
a) The main question is whether a states minimum wage affects youth alcohol-related
traffic fatalities in that state. They also examine whether changes in the beer tax rate
affects youth alcohol-related traffic fatalitie