Capital Investment and Employment in the Information Sector-信息部门的资本投资和就业

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英文文献：Capital Investment and Employment in the Information Sector-信息部门的资本投资和就业
英文文献作者：T. Randolph Beard,George Ford,Hyeongwoo Kim
英文文献摘要：
Estimation of the employment effects of changes in capital investment is a standard tool in public policy debates. Typically, such predictions are based on employment multipliers derived from Input-Output analysis. In this paper, we measure the employment effects of changes in capital investment in the U.S. information sector by econometrically estimating an ?°employment multiplier?± from historical data. The estimated multiplier is 10 information sector jobs for each million dollars in expenditure, and perhaps 24 new jobs per million dollars invested across the entire economy. Employment multipliers derived from the Input-Output methodology average about 16 jobs per million, but the multiplier includes jobs outside the information sector. Including employment spillovers, our estimates suggest the multipliers from Input-Output models are plausible. We also note that information sector jobs have substantially higher median earnings than the private sector average, so the economic significance of changes in information sector employment are greater than might first appear. Our findings may be useful in debates over changes in industry regulation that could affect investment.

估计资本投资变化对就业的影响是公共政策辩论中的一个标准工具。通常，这样的预测是基于投入产出分析得出的就业乘数。在本文中，我们通过从历史数据中计量估计“就业乘数”来衡量美国信息行业资本投资变化对就业的影响。估计的乘数是每100万美元的支出对应10个信息部门的工作岗位，在整个经济中每100万美元的投资可能对应24个新的工作岗位。根据投入产出方法得出的就业乘数平均约为每百万16个工作岗位，但该乘数包括信息部门以外的工作岗位。包括就业溢出效应，我们的估计表明，投入产出模型的乘数是合理的。我们还注意到，信息部门工作的中位数收入远远高于私营部门的平均收入，因此，信息部门就业变化的经济意义要比最初表现出来的更大。我们的发现可能对有关可能影响投资的行业监管变化的辩论有用。

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