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B.S. in Joint Mathematics-Economics (EN28)

To receive a bachelor of science degree in joint mathematics/economics, no more than three upper-division courses taken externally from UC San Diego can be counted toward the major.

Students in the joint major in mathematics and economics (MA33 in the mathematics department and EN28 in the economics department) cannot double major with any other major in the mathematics department or with any other major in the economics department.

Note: Currently, F-1 students, with an EN28 major, are eligible to apply for STEM OPT and extend the employment authorization benefit (approved July, 2016). Current F-1 regulations allow for 12 months of OPT and an additional 24 months (total 36 months) of OPT for those in STEM qualified fields. Visit the OPT webpage for details, and updates (EN28 falls under the category titled "Mathematics, Other" on the eligibility chart).

Effective FA17: All students must have a minimum 2.0 major GPA, in order to graduate.

Focus of the Major

  • For students with strong mathematical skills
  • Builds on advanced mathematics through economic applications
  • Helps to prepare students for graduate study in economics and business

Learning Objectives

Upon completion of the Joint Mathematics-Economics major, students will be able to:

  • Apply the formal methods used by statisticians to analyze data to learn about the real world
  • Use basic econometric methods to quantify uncertainty with confidence intervals; use regression to infer causal relationships; and use regressions for prediction
  • Critically interpret empirical studies
  • Set up, solve, and analyze optimization models
  • Apply optimization models to consumer, producer, and market theories
  • Use game theory to analyze the strategic behavior of individuals and firms
  • Be able to prove basic calculus theorems

View the UC San Diego WASC Inventory of Effectiveness Indicators for the bachelor of science in joint mathematics-economics (pages 7-9).


  • Major requirements checklist  (PDF)

Four Year Plans

  • Freshman entering FA12 and later (PDF)

Two Year Plans

  • Transfer students entering FA12 and later (PDF)