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英國經濟學家（1842－1924） 来自维基百科，自由的百科全书
阿尔弗雷德·马歇尔（英語：Alfred Marshall，1842年7月26日—1924年7月13日），英國新古典學派经济学家。其主要著作《经济学原理》自1890年出版，至1920年共更新8版，不但是當時英國最通行的經濟學參考書，其中有關供給需求、邊際效益與生產成本的重新整理更奠定其經濟學創始人之一的地位。
在一封寄給統計學家、經濟學家亞瑟·里昂·鮑利的信裡，他寫道:
「(1)把數學當作速記語言，而非探討的工具。(2)用這個方法一直到把想法完全記下為止。(3)將之譯為英文。(4)舉例說明為何這些想法在真實生活裡重要。(5)把數學燒掉。(6)如果你做不到(4)，就把(3)燒掉。我經常做這最後一點。」
[I had] a growing feeling in the later years of my work at the subject that a good mathematical theorem dealing with economic hypotheses was very unlikely to be good economics: and I went more and more on the rules - (1) Use mathematics as a shorthand language, rather than an engine of inquiry. (2) Keep to them till you have done. (3) Translate into English. (4) Then illustrate by examples that are important in real life. (5) Burn the mathematics. (6) If you can't succeed in (4), burn (3). This last I did often.
— A History of Economic Theory and Method: Sixth Edition， [1]
马歇尔对数学在经济学中应用的看法。[2]
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