社会保障条件下帕累托改进移民及其对资本积累的影响

Q3 Social Sciences Social Security Bulletin Pub Date : 2013-08-05 DOI:10.2139/ssrn.2332605
Hisahiro Naito
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引用次数: 0

摘要

在现收现付的社会保障制度存在的情况下,接受更多移民对福利的影响进行了定性和定量分析。首先,研究表明,如果最初存在从年轻人到老年人的代际政府转移,政府可以通过增加移民对本地人的百分比(PITN),以帕累托改进的方式,在有限的时间内将经济引导到(修正的)黄金法则水平。其次,使用计算重叠生成模型,在模型经济中以帕累托改进的方式将PITN从15.5%增加到25.5%和达到(修改的)黄金法则水平所需的年份来计算福利收益。仿真结果表明,提高PITN所带来的福利收益现值占初始GDP的23%。模型经济通过帕累托改进的方式达到黄金法则水平需要112年的时间。
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Pareto-Improving Immigration and Its Effect on Capital Accumulation in the Presence of Social Security
The effect of accepting more immigrants on welfare in the presence of a pay-as-you-go social security system is analyzed qualitatively and quantitatively. First, it is shown that if initially there exist intergenerational government transfers from the young to the old, the government can lead an economy to the (modified) golden rule level within a finite time in a Pareto-improving way by increasing the percentage of immigrants to natives (PITN). Second, using the computational overlapping generation model, the welfare gain is calculated of increasing the PITN from 15.5 percent to 25.5 percent and years needed to reach the (modified) golden rule level in a Pareto-improving way in a model economy. The simulation shows that the present value of the welfare gain of increasing the PITN comprises 23 percent of the initial GDP. It takes 112 years for the model economy to reach the golden rule level in a Pareto-improving way.
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来源期刊
Social Security Bulletin
Social Security Bulletin Social Sciences-Social Sciences (miscellaneous)
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0.70
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