运动吧
发表于 2025-3-28 14:42:00
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nuclear-tests
发表于 2025-3-28 19:06:40
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笨拙的你
发表于 2025-3-29 01:04:51
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无能力之人
发表于 2025-3-29 06:09:08
What does it Cost to Support the Young and the Old Generations?All societies must satisfy two social obligations: to support the young and the old population groups. Part of these obligations are private and part are public, depending on national arrangements and underlying economic potentials. Moreover, division between private and public sectors has changed considerably over time.
Entropion
发表于 2025-3-29 10:17:50
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条街道往前推
发表于 2025-3-29 12:16:22
https://doi.org/10.1007/978-4-431-54941-3h theory does not explain population change. It concentrates on the capital dilution effects of population growth and ignores its influence on technical progress. It is this bias which leads to the revival of the Malthusian view that population growth is unfavorable for improvements of the living st
现任者
发表于 2025-3-29 16:04:59
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人造
发表于 2025-3-29 21:31:39
Visual Acuity and Chorioretinal Atrophy,tes. In what respect and to which extent do the results of the established theory of economic growth and income distribution survive if negative instead of positive growth rates of population and labour force are assumed? What are the conditions for the existence and stability of steady-state soluti
Fibrillation
发表于 2025-3-30 00:15:04
Atlas of Postmenopausal Osteoporosisically articles and books appear that deal with the determinants of the individual’s shares in the net fortune of a society. In this essay our concern is an issue of this field which, as far as we know, has not yet been discussed at all. We explore the impact of human fertility on the re-distributio
取之不竭
发表于 2025-3-30 04:42:45
Postmortem Angiography: A Historical Reviewterest in population questions probably is the omnipresent social security crisis. An increasing number and share of retirees imposes rapidly growing burdens on the working generation in more or less all advanced societies. To blame unfavourable population developments for the arising dilemma is a f