Refers to the academic discipline or field of study.
彼は大学で経済学を専攻している。
He is majoring in economics at university.
経済学の基礎を学ぶ。
Learn the basics of economics.
He is majoring in economics at university.
I decided to study economics while abroad.
Let's analyze this policy from an economic perspective.
applied economics
political economy; political science and economics