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Wie viel Sparen fürs Alter ist sinnvoll?
Numberger, Siegfried, (2005)
The Differential Factors Influencing Saving through Life Insurance and Special Focus on Interest-Rate
Zhuo, Zhi, (1998)
BEA - Bureau of Economic Analysis - National Economic Accounts
Wachstumstheorie : Darstellung und Anwendung
Solow, Robert M., (1971)
The story of a social experiment and some reflections
Solow, Robert M., (1980)
The labor market as a social institution
Solow, Robert M., (1990)