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Managing a bulge : policy options for social security
Lewis, Kenneth A., (2004)
Politische Ökonomie der Alterssicherung : Kritik der Reformdebatte um Generationengerechtigkeit, Demographie und kapitalgedeckte Finanzierung
Christen, Christian, (2011)
Christen, Christian, (2013)
On optimal income taxation
Ogura, Seiritsu, (1974)
The cost of aging : public finance perspectives for Japan
Ogura, Seiritsu, (1994)
What went wrong with the 1991 - 92 official population projection of Japan?
Ogura, Seiritsu, (2001)