Econ 113

Spring 2014

Professor Alan Spearot




Instructors and Office Hours


Professor Alan Spearot ( 

Wednesday, 9:30 - 11:30AM, 459 E2


Kyle Neering (

Tues/Thurs, 10:00-11:00am, 403G E2


Wei Xu (

Friday, 8:40-10:40am, 403G E2




Wei Xu

Monday, 9:30AM - 10:40AM, Crown 201

Monday, 12:30PM - 1:40PM, Crown 201


Kyle Neering

Tuesday, 6:00-7:10PM, Steven Acad 152

Tuesday, 7:30-8:40PM, Steven Acad 152


Thursday and Friday sections are cancelled due to low enrollments.




Kyle Rasmusen (

Wednesday, 2:00-3:10PM, Porter 250

Thursday, 12:00-1:15 PM, Cowell 222

Thursday, 4:00-5:15 PM, Porter 246




Statistics Review

Lecture 1

Lecture 2  Extra Problem

Lecture 3  OLS Derivation

Lecture 4


Reading Assignments


April 4th:  Wooldridge, Chapters 1 and 2

By April 9th: Wooldridge, Chapter 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


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






Old Exams


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


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


Old Finals


F07  ANS

S08  ANS

F08  ANS

F09  ANS

F11  ANS

F12  ANS

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.