作者: Stefan Homburg
DOI: 10.1007/978-3-642-60497-3_12
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摘要: Since the end of World War II, many countries have introduced public pension systems. Other countries, where such systems already existed, expanded them considerably. The sheer size these is startling. Germany, for example, spent over 300 billion marks on pensions in 1992, that is, nearly 15% its national income.1