UIUC ECON 102: Microeconomic Principles
ECON 102 is UIUC's introductory microeconomics course: supply and demand, elasticity, consumer and producer theory, market structures, and market failures. It's the entry point for the economics major and a popular social science elective, filling some of the largest lecture halls on campus.
Fennie is independent and not affiliated with University of Illinois Urbana-Champaign. This is an unofficial study guide.
What makes it hard
The exams are multiple-choice with model-manipulation questions sharper than the lecture pace suggests, and the curve in a course full of econ and pre-business hopefuls is competitive. As with every intro econ course, graph fluency under time pressure is the actual graded skill.
What you'll cover
- • Supply, demand, and equilibrium
- • Elasticity
- • Consumer and producer surplus
- • Taxes, subsidies, and price controls
- • Perfect competition and monopoly
- • Externalities and public goods
The ECON 102 study guide
How to study for UIUC ECON 102, step by step.
- 1
Keep a light weekly cadence all semester
ECON 102's lecture pace feels relaxed, but the curved exams aren't. A modest fixed weekly practice slot, held even during your heavier courses' exam weeks, is the whole strategy.
- 2
Drill graphs until reading them is mechanical
Shifting curves and reading off price, quantity, and surplus changes is the actual graded skill. Sketch market scenarios until the mechanics take seconds.
- 3
Hunt the movement-versus-shift disguises
That distinction appears on every exam in some costume. For each scenario you practice, state explicitly whether each change is a shift or a movement along the curve, and why.
- 4
Predict before checking, under a timer
Work timed multiple-choice sets and commit to the new equilibrium before looking at options. With a competitive curve full of econ and pre-business hopefuls, error rate under time pressure is what separates grades.
Today
Today's ECON 102 plan
What a Fennie Daily Plan looks like for ECON 102. Yours is built from your own syllabus and adapts every day to your deadlines and progress.
First plan free, no card required. Fennie is independent and unaffiliated with your school.
FAQ
Is ECON 102 hard at UIUC?
The content is introductory, but the multiple-choice exams test model manipulation precisely and the curve has real competition. It rewards practice-problem volume far more than lecture attendance alone.
Do I need ECON 102 for the economics major?
Yes. ECON 102 and 103 are the introductory requirements for the major and prerequisites for intermediate theory courses. Strong grades here matter for students planning the quantitative econ track.
How do I study for ECON 102 exams?
Drill graphs until shifting curves and reading surplus changes is mechanical, then practice timed multiple-choice sets. The distinction between movement along a curve and a shift of the curve appears on every exam in some disguise.