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Migration, Social Security, and Economic Growth

Hung-Ju Chen and I-Hsiang Fang

MPRA Paper from University Library of Munich, Germany

Abstract: This paper studies the effect of population aging on economic performance in an overlapping-generations model with international migration. Fertility is endogenized so that immigrants and natives can have different fertility rates. Fertility is an important determinant to the tax burden of social security since it affects the quantity and quality of future tax payers. We find that introducing immigrants into the economy can reduce the tax burden of social security. If life expectancy (or the replacement ratio) is high enough, the growth rate of GDP per worker for an economy with international migration will be higher than for a closed economy. Regarding migration policies, our numerical results indicate that economic growth rate of GDP per worker will first decrease then increase as the flow of immigrants increases. Increasing the quality of immigrants will enhance economic growth.

Keywords: Economic growth; Fertility; Migration; Social security. (search for similar items in EconPapers)
JEL-codes: F22 H55 O15 (search for similar items in EconPapers)
Date: 2011
New Economics Papers: this item is included in nep-age, nep-dev, nep-dge and nep-mig
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Journal Article: Migration, social security, and economic growth (2013) Downloads
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