从要素替代弹性的角度推导了技术进步影响劳动生产率变动的不同测定模型，并在此基础上进行了模型的应用及比较分析。
This article arrives at different models determining the influence of improvement of technology on production rate when considering elasticity of substitution.
当替代弹性等于1时，劳资收入份额不随要素投入量的相对变化而变化。
When the substitution elasticity equals 1, the share of labor will not be changed with the amount of elements input comparatively changes.
当替代弹性等于1时，劳资收入份额不随要素投入量的相对变化而变化。
When the substitution elasticity equals 1, the share of labor will not be changed with the amount of elements input comparatively changes.
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