闸门
发表于 2025-3-21 18:19:37
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发表于 2025-3-21 22:18:58
Demographical Influences on Social Security Burdenamiliar quotation. Neverthelessthe effects of demographic variations on a nation’s pension burden have never been clarified systematically. To contribute to this task is the aim of the following paper.
observatory
发表于 2025-3-22 02:30:02
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使无效
发表于 2025-3-22 04:45:17
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LITHE
发表于 2025-3-22 12:22:12
Research on Population and Productivity Growthroductivity change in the short run rather than in the long run. And I believe that if one focuses instead upon the long run, economic theory and empirical research can be very fruitful in increasing our understanding of this fundamental phenomenon in the growth of civilation.
反复无常
发表于 2025-3-22 15:46:53
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反复无常
发表于 2025-3-22 20:40:56
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Panther
发表于 2025-3-22 23:57:00
Postmortem Angiography: A Historical Reviewamiliar quotation. Neverthelessthe effects of demographic variations on a nation’s pension burden have never been clarified systematically. To contribute to this task is the aim of the following paper.
Cumbersome
发表于 2025-3-23 01:43:09
Gerald G. Krueger,Kristina P. Calliss in mortality, have led to substantial aging both over the recent past and into the foreseeable future. This aging has also been accompanied by other behavioral changes — increased divorce and delayed/foregone marriage — all of which have increased the number of households relative to the size of population in industrialized nations.
致命
发表于 2025-3-23 07:59:23
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