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Course information comes from the public UCLA General Catalog. Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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ECON 109AAdvanced Sequence: Mathematical Economics

Economics · 4 units · Undergraduate upper division (100-199)

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Covers several mathematical tools that are essential for advanced economic analysis, and corresponding applications to economics. Study bridges the mathematical rigor required in intermediate microeconomics and that required in graduate-level coursework.

Letter grading.

When it runs

  • Fall 2025
  • Fall 2026

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.

Requisites

Official UCLA wording

Requisites: course 101, Mathematics 32A. Recommended requisite: Mathematics 70.

BruinTree reads · Prerequisite

confidence 1.00 · from UCLA’s structured data
all of
  • ECON 101
  • MATH 32A

BruinTree reads · Recommended

confidence 1.00 · from text
MATH 70

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About ECON 109A. We read UCLA’s requisite wording by machine, and it gets things wrong.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

ECON 109A

  • ECON 101Microeconomic Theory
    • ECON 11Microeconomic Theory
      • ECON 1Principles of Economics
      • MATH 31ADifferential and Integral Calculusanother path to it
      • MATH 31BIntegration and Infinite Seriesanother path to it
  • MATH 32ACalculus of Several Variables
    • MATH 31ADifferential and Integral Calculus
      • MATH 1Precalculus
  • MATH 70Introduction to Probability
    • MATH 31ADifferential and Integral Calculusanother path to it
    • MATH 31BIntegration and Infinite Series
      • MATH 31ADifferential and Integral Calculusanother path to it

3 direct requisites. The whole upstream is here — 12 courses over 3 levels. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

No course in the catalog lists this as a requisite.