Econ 113

Spring 2014

Professor Alan Spearot




Instructors and Office Hours







Alan Spearot

Kyle Neering

Wei Xu

Kyle Rasmusen


Office Hours


9:30 - 11:30AM

459 E2



403G E2




403G E2



Discussion Sections





Stevenson 152



9:30AM - 10:40AM

12:30PM - 1:40PM Crown 201


Wednesday, 2:00-3:10PM

     Porter 250

Thursday, 12:00-1:15 PM

     Cowell 222

Thursday, 4:00-5:15 PM

     Porter 246

Final Exam Rules and Office Hours




Statistics Review

Lecture 1

Lecture 2  Extra Problem

Lecture 3  OLS Derivation

Lecture 4

Lecture 5

Lecture 6

Lecture 7

Lecture 8

Lecture 9

Lecture 10

Lecture 11  Supplement and Sample Questions  Answers


Reading Assignments


April 4th:  Wooldridge, Chapters 1 and 2

By April 9th: Wooldridge, Chapter 3

By April 25th: Wooldridge, 4.1-4.3

By April 28th:  Wooldridge, rest of chapter 4.

Week of May 5th:  Wooldridge, 6.1-2, 7.1-4

Week of May 19th:  Wooldridge 15.1, Chapters 13 and 14.

Week of May 26th:  Wooldridge 17.1, 17.2, 17.3




The book for the class is Introductory Econometrics:  A Modern Approach by Jeffery Wooldridge.  It is mostly used as a reference, and used copies are fine (3rd edition or later.  Avoid the international edition).  Here are some links to various editions of the text:


3rd edition


4th edition


Computers and Data


Stata Gradplan


The $35 Small Stata will be sufficient for this class.


Wage Dataset  Description

Wage Panel Dataset  Description


Tutorial , Transferring to Word (written by Jae Hoon Choi)




Regrade Policy
Exam 1    ANS    Distribution

Exam 2    ANS    Distribution

Exam 3    ANS    Distribution




Homework #1  ANS

Homework #2  ANS

Homework #3  ANS


Old Exams


Note:  Missing exams (without answers) are not available.


For Midterm 1, Spring 2014

Problems in parentheses are relevant for Exam 1, Spring 2014.  This includes questions from the second exam from previous years.


S08 Exam 1 ANS  (Problems 1 and 2)

F08 Exam 1 ANS  (Problems 2, 3 and 4)

W09 Exam 1 ANS (Problems 2 and 3)

F09 Exam 1 ANS  (Problems 2 and 3)

F10 Exam 1 ANS  (Problems 2 and 3)

F11 Exam 1 ANS  (Problems 2 and 3)

F12 Exam 1  ANS (Problems 2 and 3)

W13 Exam 1  ANS (Problem 2)

F09 Exam 2  ANS (All except 2b)

F10 Exam 2  ANS (All except 1i)

F11 Exam 2  ANS  (All except 1c)

F12 Exam 2  ANS  (All except 1h and 2c)

W13 Exam 2  ANS (All)


For Midterm 2, Spring 2014

Currently all of old exam 3s are relevant.


F09 Exam 3  ANS

F10 Exam 3  ANS

F11 Exam 3  ANS  - note – problem 1.i should refer back to 1.h

F12 Exam 3  ANS

W13 Exam 3  ANS


For Midterm 3, Spring 2014


F07  ANS  (Problem 2, 3a, 3b, EC)

S08  ANS  (2a-c, 2f-h, 3a, 3b ,3d)

F08  ANS  (2a-e, 2g-I, 2l, EC)

F09  ANS  (Problem 2, Problem 3)

F11  ANS  (1a-b, 1d-f, Problem 2)

F12  ANS  (All)

Note that the confidence interval in 1-d is incorrect.  The correct CI is:



With 99% confidence, a 1% increase in the midterm 1 score is associated with a 0.077% and 0.22% increase in the final.


Also, 2f should refer back to the initial equation in 2e.