这是人所共知的生产率下降,随着年龄增加了各种各样的活动.莱曼( 1953 )建议早日高峰生产力在各种科学和艺术事业 钻石( 1986 )文件的模式几治学.Levin和斯蒂芬( 1992 )提供明确的证据显示,这种下降的存在,即使经过审慎企图帐户及个人 队列的分歧.交易会( 1994 )认定跌幅体能优秀选手,那样忠诚( 1968年12页.113各处) ,在体能普遍.在本研究中我们探讨的生产率下降,在自己的领域.主要的新结果产生,我们使用了两种不同类型的信息,相当于家庭和机构的数据,以研究石料场基本上是同一时期.第一节讨论的一般结果对衰老和生产力,而第二节证据的重要性异质性.
英语翻译It is well known that productivity declines with age in
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