経けい済ざい学がくけいざいがくCommon wordMeanings1nouneconomicsRefers to the academic discipline or field of study.彼かれは大だい学がくで経けい済ざい学がくを専せん攻こうしている。He is majoring in economics at university.経けい済ざい学がくの基き礎そを学まなぶ。Learn the basics of economics.