The Constant Term
Functional Forms
One Tailed Tests for Unitary Elasticity
Chapter 7 Specification: Choosing a Functional Form Lecture 1
Masao Ogaki
Department of Economics, Ohio State University
Econ 444, Wednesday November 15, class 15
Econ 444, Wednesday November 15, class 15
Robert de Jong1
1 Department
of Economics Ohio State University
Robert de Jong
Econ 444, Wednesday November 15,
Econ 444, Monday September 25, class 2
Econ 444, Monday September 25, class 2
Robert de Jong1
1 Department
of Economics Ohio State University
Robert de Jong
Econ 444, Monday September 25, class 2
Econ 444, Wednesday September 20, class 1
Econ 444, Wednesday September 20, class 1
Robert de Jong1
1 Department
of Economics Ohio State University
Robert de Jong
Econ 444, Wednesday September 20,
Econ 444 Elementary Econometrics (Fall 2010)
HOMEWORK EXERCISE: 1
Due in class on Thursday, Jan 21 or Friday, Jan 22 Depending on When We Meet for the Make-up Class Q1. Choose the one alternative that
Econ 444 Elementary Econometrics (Winter 2010)
ANSWERS TO HOMEWORK EXERCISE: 1
1. 1) A 2) B
2. (2.a)
(2.b) E(X)=5.8333 and Var(X)= 4.3056. (2.c) Using properties of expected value E (2 + 3X ) = 2 + 3E
Econ 444 Elementary Econometrics (Winter 2010)
HOMEWORK EXERCISE: 2
Due in class on Wednesday, Jan 27 1. State with reasons whether the following statements are true or false. (1.a) The stochastic err
Econ 444 Elementary Econometrics (Winter 2010)
ANSWERS TO HOMEWORK EXERCISE: 2
1. (1.a) False. The stochastic error term i is for the population regression and is not directly observable unless the po
Econ 444 Elementary Econometrics (Winter 2010)
HOMEWORK EXERCISE: 3
Due in my Mail Box at Arps Hall Room 410, by 4:30 pm on Friday Feb 5. 1. MULTIPLE CHOICE. Choose the one alternative that best compl
Econ 444 Elementary Econometrics (Winter 2010)
ANSWERS TO HOMEWORK EXERCISE: 3
1. MULTIPLE CHOICE 1)C 2)A 3)D
2. a. See Eviews output below.
1
b. The sample regression function is : Yi = 4.855176 + 0.
Econ 444, Wednesday September 27, class 3
Econ 444, Wednesday September 27, class 3
Robert de Jong1
1 Department
of Economics Ohio State University
Robert de Jong
Econ 444, Wednesday September 27,
Econ 444, Wednesday October 4, class 4
Econ 444, Wednesday October 4, class 4
Robert de Jong1
1 Department
of Economics Ohio State University
Robert de Jong
Econ 444, Wednesday October 4, class 4
Econ 444, Wednesday October 11, class 5
Econ 444, Wednesday October 11, class 5
Robert de Jong1
1 Department
of Economics Ohio State University
Robert de Jong
Econ 444, Wednesday October 11, class
Econ 444, Monday November 13, class 14
Econ 444, Monday November 13, class 14
Robert de Jong1
1 Department
of Economics Ohio State University
Robert de Jong
Econ 444, Monday November 13, class 14
Class 12, Wednesday November 8
Econ 444, Wednesday November 8, class 12
Robert de Jong1
1 Department
of Economics Ohio State University
Wednesday November 8
Robert de Jong
Econ 444, Wednesday Nov
Econ 444, Wednesday November 1, class 10
Econ 444, class 11
Robert de Jong1
1 Department
of Economics Ohio State University
Monday November 6
Robert de Jong
Econ 444, class 11
Econ 444, Wednesda
Econ 444, Wednesday November 1, class 10
Robert de Jong1
1 Department
of Economics Ohio State University
Robert de Jong
Econ 444, Wednesday November 1, class 10
Monday November 1
1 2
Exercise for
Class 9, Monday October 30
Econ 444, class 9
Robert de Jong1
1 Department
of Economics Ohio State University
October 30, 2006
Robert de Jong
Econ 444, class 9
Class 9, Monday October 30
Example
Econ 444, Econ 444, Wednesday October 25
Robert de Jong1
1 Department
of Economics Ohio State University
Robert de Jong
Econ 444, Econ 444, Wednesday October 25
Previous class: GRE scores: are GRE
Econ 444, Wednesday October 18, class 7
Econ 444, Wednesday October 18, class 7
Robert de Jong1
1 Department
of Economics Ohio State University
Robert de Jong
Econ 444, Wednesday October 18, class
Econ 444, Wednesday October 16, class 6
Econ 444, Monday October 16, class 6
Robert de Jong1
1 Department
of Economics Ohio State University
Robert de Jong
Econ 444, Monday October 16, class 6
Ec
Econ 444 Elementary Econometrics (Winter 2010)
HOMEWORK EXERCISE: 5
Due in class on Wed, March 3 1. State with reasons whether the following statements are true or false. (1.a) Despite perfect multico
Econ 444 Elementary Econometrics (Winter 2010)
HOMEWORK EXERCISE: 6
Due in class on Wed, Mar 10 1. State with reasons whether the following statements are true or false. 1.a Even with autocorrelation
Lecture 12 : Multicollinearity, Heteroskedasticity
Econ 444, Winter 2010
Feb 23, 2010
How to detect Multicollinearity ?
1
High R 2 but few signicant t-ratios may suggest presence of multicollinearity.
Lecture 13: Heteroskedasticity
Econ 444, Winter 2010
March 1, 2010
3
Whites test : Consider following regression equation, Yi = 0 + 1 X1i + 2 X2i +
i
(1)
Suppose we suspect that the error term in the
Lecture 14: Serial Correlation
Econ 444, Winter 2010
March 3, 2010
Serial Correlation : Motivation
When we have time series data we have information on same variable at different points in time. It is
Lecture 15 : Serial Correlation
Econ 444, Winter 2010
Mar 8, 2010
Testing for Negative Serial Correlation using DW test
H0 : = 0 no HA : < 0
serial
correlation serialcorrelation (1)
negative
To test f
Luke Porter
Econ 4400
Professor Ruddy
HW #3
1. y= 8.598+8.620x 1+0.0934x 2+7.260x 3+32.74x 4
2. y=8.598+8.620(0)+0.0934(12)+7.260(1)+32.74(0)
y=16.9788 drinks
So, the number of drinks per week for thi
HOMEWORK 1
Econ 4400 Elementary Econometrics
Directions: Please follow the instructions closely.
Due: All problem sets have to be turned in at the beginning of the class.
Due Date:
Section 15138 Septe
HOMEWORK 1
Econ 4400 Elementary Econometrics
Directions: Please follow the instructions closely.
Due: All problem sets have to be turned in at the beginning of the class.
Due Dates:
T/R Class January
Econ 5700: Industrial Organization
Problem Set 2
Due: Wednesday, Jan 31, 2018
Instructions:
I recommend that you use a calculator to complete this assignment.
You are not required to show your work