数すう理り経けい済ざい学がくすうりけいざいがくMeanings1nounmathematical economicsAcademic field that applies mathematical methods to economic theory and analysis.彼かれは大だい学がくで数すう理り経けい済ざい学がくを専せん攻こうしている。He is majoring in mathematical economics at university.