経済学|けいざいがくkeizaigaku

1. nouneconomics
   彼かれには多少たしょう経済学けいざいがくの知識ちしきがある。↗

   He has a knowledge of economics.

• SynonymエコノミクスNeutralLoanword for economics, mostly seen in book and course titles and in coinages like 「アベノミクス」; in everyday speech people say 「経済学」.
• Synonym経済科学WrittenWritten academic term for economics as a science; very rare in everyday use.

For economics in ordinary use, say 「経済学」. 「エコノミクス」 appears mainly in book or course titles and coinages like 「アベノミクス」, while 「経済科学」 is a formal academic term rarely heard in daily conversation.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 経済けいざいを研究けんきゅう分野ぶんやとする学問がくもん。