ECON 100AIntermediate Microeconomics
Covers major theoretical issues arising in the study of resource allocation, the function of markets, consumer behavior, and the determination of price, output, and profits in competitive, monopolistic, and oligopolistic market structures. Also considers issues of welfare and public policy. Students cannot receive credit for this course and course 100M.
Prerequisite(s): ECON 1 and ECON 2; and AM 11B or ECON 11B or MATH 22 or MATH 23A or AM 30.
- UCSC Students (including fall admits): If you completed the prerequisites but get an error message, email your student ID # and your proof of prerequisite material to the department at econ_ugrad_coor@ucsc.edu with the subject: Summer Econ 100A-01.
- Visiting Students - prerequisite review is waived in summer.
- Weekly mandatory discussions will be held once a week and scheduled at the beginning of the term with student/TA input.
Find a section and add it to your scheduleLive seat counts, time-conflict checks and the walk from your previous class.
When it runs
Winter 2027Open Winter 2027
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed Fri 9:20am–10:25am | J Baskin Engr 152 | K. Pommerenke | Open 0/130 |
| 02 | Lecture | TBA | Online | K. M. Lopezvargas | Open 0/130 |
Fall 2026Open Fall 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Tue Thu 3:20pm–4:55pm | Soc Sci 2 071 | N. Lazzati | Wait List 60/60 |
| 02 | Lecture | Mon Wed Fri 1:20pm–2:25pm | J Baskin Engr 152 | J. Marion | Open 119/120 |
Summer 2026Open Summer 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | TBA | Online | K. M. Lopezvargas | Open 23/201 |
| 02 | Lecture | TBA | Online | Y. Song | Open 75/120 |
Spring 2026Open Spring 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Tue Thu 9:50am–11:25am | Soc Sci 2 071 | G. Tserenjigmid | Open 46/65 |
| 02 | Lecture | TBA | Online | K. M. Lopezvargas | Open 149/160 |
Winter 2026Open Winter 2026
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed Fri 2:40pm–3:45pm | Kresge Acad 3105 | G. Tserenjigmid | Closed 133/130 |
| 02 | Lecture | TBA | Online | K. M. Lopezvargas | Open 68/70 |
Fall 2025Open Fall 2025
| Section | Type | When | Where | Instructor | Seats |
|---|---|---|---|---|---|
| 01 | Lecture | Mon Wed Fri 2:40pm–3:45pm | Merrill Acad 102 | J. Marion | Open 66/110 |
| 02 | Lecture | Mon Wed Fri 1:20pm–2:25pm | Merrill Acad 102 | N. Lazzati | Open 106/110 |
Who teaches it
| Instructor | Rating | Difficulty | Would take again | Reviews |
|---|---|---|---|---|
| Kai Pommerenke | 2.7 / 5 | 3.4 / 5 | 35% | 56 |
| Justin Marion | 2.3 / 5 | 3.7 / 5 | 38% | 51 |
| Gerelt Tserenjigmid | 2.0 / 5 | 2.1 / 5 | 22% | 7 |
From RateMyProfessors, which is student-submitted and not a survey. Small review counts move a long way on one bad quarter.
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