通情达理 发表于 2025-3-27 00:33:34
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Aussagenlogik Boolesche Algebra,he US Census Bureau projects the fraction of the elderly in the total population to increase from its 2002 level of 12.5 per cent to 16.3 percent by 2020. Concomitantly, the fraction of working age population (20–64) is projected to decline from its current level of 59 to 57.2 percent in 2020. Alterpredict 发表于 2025-3-27 11:50:51
https://doi.org/10.1007/978-3-642-96421-3he EU15 countries in the year 2001 was 23.9 percent vis-à-vis 14.7 percent in the United States (OECD Factbook, 2006). Some think that the European welfare state is too large because it crowds out economic activities. Indeed, GDP per capita in the United States is almost 50 percent higher than the a怒目而视 发表于 2025-3-27 15:42:55
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https://doi.org/10.1007/978-3-322-85936-5e, they forgo earnings. To replace these earnings, many retirees begin collecting pensions and/or drawing down their assets. Most retirees also begin collecting Social Security benefits. At the same time, retirees pay fewer taxes — not just payroll taxes that support Social Security, but also federaflammable 发表于 2025-3-28 09:22:14
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Spielarten phänomenologischer Soziologiethose with pensions, and those who have lost pensions. The stagnation in pension coverage coupled with employer adoption of 401(k) plans means the hopes of those without pensions are smaller; those with pensions have experienced more risks and responsibilities for saving and investing; and those who