ECOS2903 Mathematical Economics (University of Sydney): rated 2.7/5 overall, difficulty 3.0/5 (higher is harder), would-recommend 1.0/5 across 21 reviews collected on USYD Wall.
ECOS2903 is a University of Sydney course taught by the Faculty of Arts and Social Sciences in Economics. This page brings together its handbook details and what USYD students say about it.
Review data updated 2026-10-24.
Chinese title: 数理经济学
Type: Undergraduate
Credit points: 6
Subject area: Economics
Faculty: Faculty of Arts and Social Sciences
Level: Undergraduate Level 2
Handbook year: 2026
This unit provides an introduction to mathematical concepts and techniques commonly employed by economists. Topics include: sets, single- and multi-variable functions, continuity, concavity and convexity, differentiation and integration, matrix algebra, unconstrained and constrained optimisation.
ECOS2903 has 21 scored reviews: overall 2.7/5 · usefulness 2.4 · difficulty 3.0 · would-recommend 1.0 (all out of 5; higher difficulty means harder).
Sources: 1 review by USYD students on USYD Wall (1.7/5 overall); 4 StudentVIP reviews (average 2.5 stars); 16 Reddit comments that an AI model judged to be reviewing this course (average would-recommend 2.8/5).
On Reddit: "I strongly urge against taking it, the content isn't difficult at all but the teaching is downright shocking for several reasons: - No solutions for the tutorials are ever released, and the tutor only manages to get through three or four questions in the hour. - It is taught lik…"
On Reddit: "Currently doing Honours in Economics and submitting my Thesis next week. As others have stated already - some of the courses in Economics are fairly poorly taught (mainly ECOS2901 and ECOS2903). Despite all that, the Honours year more than makes up for it (courses are all superb…"
The course panel on USYD Wall shows every review and discussion in full.
Q: Is ECOS2903 hard?
A: Students rate ECOS2903's difficulty 3.0/5 on average (higher is harder), which makes it moderately difficult.
Q: Is ECOS2903 worth taking?
A: Averaged over 21 reviews: would-recommend 1.0/5, usefulness 2.4/5, overall 2.7/5.
Q: Which faculty teaches ECOS2903, and when is it offered?
A: ECOS2903 is taught by the Faculty of Arts and Social Sciences. Check the official handbook for the current year.
USYD Wall is an independent student community and is not affiliated with University of Sydney.