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The south's demographic transition and international capital flows in a financially integrated world economy

Abstract : In the coming decades, the countries of the South will be facing the aging of the population faster than the countries of the North. This will have long-term economic consequences for the South but also for the North through the changing of international capital flows. To study the latter, we build a simple two-region two-period OLG model, assuming fully integrated financial markets. This allows us to determine the analytical expression of the world interest rate dynamics at general equilibrium and the resulting capital flows accruing to each of the two regions (the North and the South). From there, we analyse how a reduction in either fertility or mortality alters the magnitude of the international capital flows. Contradictory effects are evidenced. To clear up any ambiguity and to study the South's demographic transition, which involves a succession of shocks, we propose numerical simulations. Even if the results stress that the institutional context and technological catching-up may matter, they suggest in a rather general way that the declines in both fertility and mortality tend to reduce the relative capital needs of the Southern economies and consequently their capital inflows. This, in turn, would be beneficial to the North's productive capacity, which should then hold more capital.
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Preprints, Working Papers, ...
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https://hal-sciencespo.archives-ouvertes.fr/hal-03403272
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Submitted on : Tuesday, October 26, 2021 - 10:03:27 AM
Last modification on : Monday, May 9, 2022 - 3:54:07 PM
Long-term archiving on: : Thursday, January 27, 2022 - 6:43:09 PM

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Frédéric Gannon, Gilles Le Garrec, Vincent Touze. The south's demographic transition and international capital flows in a financially integrated world economy. 2019. ⟨hal-03403272⟩

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