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we estimate this elasticity to be positive for IT factor demand. A quantitative exercise accounting for both technological channels shows that falling IT prices can explain much of the changes in concentration and the composition of aggregate labor share in France. ， Arthur; Boussard， Danial; Bauer， Jocelyn 署名单位： Federal Reserve System - USA; Federal Reserve Bank - New York; Institut Polytechnique de Paris; ENSAE Paris 刊物名称： AMERICAN ECONOMIC REVIEW ISSN/ISSBN： 0002-8282 发表日期： 2024 页码： 1815-1815 关键词： UNITED-STATES labor share PRODUCTIVITY ORGANIZATION elasticity computers KNOWLEDGE decline demand GROWTH 摘要： What are the implications of the dramatic fall in IT prices for aggregate technology? When firm-level technologies are continuously differentiable ， a factor price shock leads to ( i ) a substitution between factors and / or ( ii ) an endogenous response of returns to scale. The second channel is governed by the output elasticity of relative factor demand. Using detailed firm-level data from France ， Lashkari，。