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LMU Intermediate Micro - 3100

This is the course website for LMU Economics 3100. This page will be continuously updated throughout the semester. Please check it regularly. 3100 focuses on the formal analysis of the behavior of individuals and firms and how they interact. This class will be conducted in a flipped classroom style. Class time will be devoted to problem-solving, applications, and active learning exercises. However, there will also be some short lectures. Students should review lecture notes before class. Grading will be based on the following distribution: 35% Midterm exam, 35% Final exam, 15% Homework, 15% Weekly quizzes.

Quiz Policy

Weekly quizzes are intended encourage reading before class. The quizzes will consist of a few relatively easy questions to test your comprehension of the weekly readings. To account for absences, illness, or other conflicts, the lowest 5 quiz scores will be dropped automatically.

Policies

The Academic Honesty policies apply to this course. For policies regarding accommodations and disabilities, please see the DSS website.

Times

Class Meetings:

Section 01: Monday/Wednesday 9:55-11:35 (UNH 3111)

Section 02: Monday/Wednesday 11:55-1:30 (UNH 2001) Greg's office hours: T 9:00-10:00, Th 1:15-2:15. University Hall 4225 / Zoom and by Appointment.

Textbook

Course Notes

Problem Sets

There will be a problem set due roughly every two weeks. You can turn in your problem sets on the due date by submitting a scan on brightspace. The exercises are available in a dedicated section of course notes Please check the table of contents for a hyperlink to the exercises. Solutions will be posted shortly after the due date.

Problem Set 1. Exercises from Chapters 1-3. (Due 9/24)

Problem Set 2. Exercises from Chapters 4-7. (Due 10/8)

Problem Set 3. Exercises from Chapters 8-9.(Due 10/20)

Problem Set 4. Exercises from Chapters 10-12.(Due 11/5)

Problem Set 5. Exercises from Chapters 13-15.(Due 11/12)

Problem Set 6. Exercises from Chapters 16-17.(Due 12/3)

Problem Set 7. Exercises from Chapters 18-19.

Exercises

Exercises - Chapter 1

Exercises - Chapter 2

Exercises - Chapter 3

Exercises - Chapter 4

Exercises - Chapter 5

Exercises - Chapter 6

Exercises - Chapter 7

Exercises - Chapter 8

Exercises - Chapter 9

Exercises - Chapter 10

Exercises - Chapter 11

Exercises - Chapter 12

Exercises - Chapter 13

Exercises - Chapter 14

Exercises - Chapter 15

Exercises - Chapter 16

Exercises - Chapter 17

Exercises - Chapter 18

Course Schedule (Spring 2026)

Week 1 (Jan 12, Jan 14)

Course Overview, Bundles & Budget (Chapter 1)

Week 2 (Jan 21)

Binary Relations (Chapter 2), Preferences (Chapter 3)

Jan 19 (M): No class – Martin Luther King Jr. Day

Weekly quiz: Jan 21Chapter 2,3

Week 3 (Jan 26, Jan 28)

Utility (Chapter 4), Well-Behaved Preferences (Chapter 5)

Weekly quiz: Jan 28Chapter 4,5

Week 4 (Feb 2, Feb 4)

Constrained Optimization (Chapter 6)

Weekly quiz: Feb 4Chapter 6

Week 5 (Feb 9, Feb 11)

Demand (Chapter 7), Slutsky Decomposition (Chapter 8)

Weekly quiz: Feb 9Chapters 7 & 8

Week 6 (Feb 16, Feb 18)

Buying and Selling (Chapter 9), Review

Weekly quiz: Feb 16Chapter 9

Week 7 (Feb 23, Feb 25)

Midterm, Market Demand and Elasticity (Chapter 10)

Feb 23: Midterm exam covering Chapters 1–9

Week 8 (Mar 2, Mar 4)

Spring Break (Mar 2–6): No classes

Week 9 (Mar 9, Mar 11)

Equilibrium (Chapter 11), Production (Chapter 12)

Weekly quiz: Mar 11Chapters 11 & 12

Week 10 (Mar 16, Mar 18)

Cost Minimization (Chapter 13), Profit Maximization: Price Taking (Chapter 14)

Weekly quiz: Mar 16Chapters 13 & 14

Week 11 (Mar 23, Mar 25)

Monopoly (Chapter 15), Price Discrimination (Chapter 16)

Weekly quiz: Mar 23Chapters 15 & 16

Week 12 (Mar 30, Apr 1)

Game Theory (Chapter 17)

Mar 31 (T): Cesar Chavez Day – no classes

Apr 1 (W): Easter Holiday – no classes

Weekly quiz: Mar 30Chapters 17

Week 13 (Apr 6, Apr 8)

Oligopoly Models of Competition (Chapter 18)

Weekly quiz: Apr 6Chapter 18

Week 14 (Apr 13, Apr 15)

Exchange (Chapter 19)

Weekly quiz: Apr 13Chapter 19

Week 15 (Apr 20, Apr 22)

Externalities (Chapter 20)

Weekly quiz: Apr 20Chapter 20

Week 16 (Apr 27, 29)

Special Topics (Chapter 21)

Weekly quiz: Apr 20Chapter 21

Week 17 (May 4, 6)

Spillover Week, Review

Final Exam Chapters 9-18

LMU Final Exam Schedule

Other Resources

Some Old Exam Questions

Spring 2025 Midterm Exam

Spring 2025 Midterm Exam Solution

Practice Final

Practice Final Solutions