英语翻译It is well known that productivity declines with age in
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英语翻译
It is well known that productivity declines with age in a wide range of activities.Lehman (1953) suggests an early peak in productivity in a variety of scientific and artistic endeavors,and Diamond (1986) documents the pattern for several scholarly pursuits.Levin and Stephan (1992) provide clear evidence that this decline exists even after careful attempts to account for individual and cohort differences.Fair (1994) finds declines in physical ability among elite runners,as does Loyal (1968,pp.113 passim) in physical abilities of the population generally.In this study we examine productivity declines in our own field.The main new results arise from our use of two different types of information,the equivalent of household and establishment data,to study the stone field over essentially the same period of time.Section I discusses the general results on aging and productivity,whereas section II presents evidence of the importance of heterogeneity.
It is well known that productivity declines with age in a wide range of activities.Lehman (1953) suggests an early peak in productivity in a variety of scientific and artistic endeavors,and Diamond (1986) documents the pattern for several scholarly pursuits.Levin and Stephan (1992) provide clear evidence that this decline exists even after careful attempts to account for individual and cohort differences.Fair (1994) finds declines in physical ability among elite runners,as does Loyal (1968,pp.113 passim) in physical abilities of the population generally.In this study we examine productivity declines in our own field.The main new results arise from our use of two different types of information,the equivalent of household and establishment data,to study the stone field over essentially the same period of time.Section I discusses the general results on aging and productivity,whereas section II presents evidence of the importance of heterogeneity.
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.
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