TY - JOUR A1 - Miyazato, N. T1 - The optimal size of Japan's public pensions: An analysis considering the risks of longevity and volatility of return on assets Y1 - 2010 DO - 10.1016/j.japwor.2009.06.001 JF - Japan and the World Economy VL - 22 IS - 1 SP - 31 EP - -39 ER -