But the world has moved on since the 1930s when Keynes evolved his most important theories. His own defiant dictum, that he changed his mind when the facts changed, has been on the lips of current policy-makers. There never was a timeless “Keynes” whose every utterance had prophetic force. There was instead a historical Keynes who came up with lots of bright ideas as he confronted different problems.
但在上世紀30年代凱恩斯提出他最重要的那些理論後，這個世界在不斷前行。他那目中無人的座右銘——想法隨實際情況的改變而改變——一直掛在當今的政策制定者嘴邊。世上從來不存在一個永恆的「凱恩斯」，他的每句話都是預言；相反，這裏有的是一個歷史性的凱恩斯，當面對不同問題時，他拿出了許多聰明的主意。
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