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- Title
Impact of PAYG pensions on country welfare through capital accumulation.
- Authors
Hamada, Kojun; Kaneko, Akihiko; Yanagihara, Mitsuyoshi
- Abstract
This study employs a two-country overlapping generations (OLG) model to examine how the pay-as-you-go (PAYG) pension system affects national welfare through changes in capital accumulation. In a closed economy, increase in per capita pension reduces individual savings, and the decrease in capital weakens welfare under dynamic efficiency. However, when a two-country model with capital mobility is considered, the increase in pension plan in a country may increase the welfare of the capital-exporting country. Employing a two-country model in which capital accumulates and moves between two countries, we present the marginal effect of pension plans on countries' welfare for the steady-state generations and initial and transitional generations. We demonstrate that a paradoxical result occurs when the increase in pension plans in a country improves the country's welfare because a higher interest rate improves the capital-exporting country's intertemporal terms of trade. However, we show that the marginal change in a country's PAYG pension plan cannot simultaneously improve both countries' welfare in the steady state.
- Subjects
INTEREST rates; PENSIONS; PENSION reform; TERMS of trade; SAVINGS; WELFARE state; RURAL planning
- Publication
International Economics & Economic Policy, 2024, Vol 21, Issue 1, p207
- ISSN
1612-4804
- Publication type
Article
- DOI
10.1007/s10368-024-00585-0