1/11 2 4 ( ) (ono@mizho-pi.o.jp) ( ) ) GDP )
( ) 1 n n 1 ( n ) n n n n (1.1) 1 1 ρ n 1 wn w w n ρn w (1.2) ) w w n 1 n 1 n n 1 n1 n (1.3) 1 (13 ) 23 9 Confn on Notiona Dfind Contibtion Pnsions Th at of tn of Pay s Yo Go Pnsion Systm, O Sttgn & Bogsaw D. Mia, Sptmb 1, 23 ( No.3622 5 ) 2/11
ρ n wn 1 wn ρ n n wn wn ) ) ) ) (1) 2 1 1 1.5.25 2 1.5 2.5 2.5 2 3.5.5.5 5.25(1.25).375(1.5.25).625.5.125 2 1-15% 2 ) 3 1.75 2.625 4.125.125 2. 85 1 15% 2 2.25.375. 5 3 4 1.5.5.25.75 2.5.5.375.625 3/11
-16.67% 5 ( 1 ) (2) 1 1 1 2.25 1.5 1.5 2.25.75 25% 6 (1).75 1 7.25.25 2 33.33% ( 2 ) (3) 2 ( ) 1 1.5 3. 1.5 1 2 1.75 1.25 2 2 3.5 2. -16.67%33.33% ( 2.5) 5 2 1.125 2.625 1.125 2.5 (.125.5)/(.125.625)-1 -.1667 6 3 2.25.25.5. 25 1. 25 1 25% 7 2.252.252.25.251. 4/11
(1) ) ) ( ) ( ) ( 1) ) ) ) ρ 8 ( ) ( ) ρ ρ ρ (2) a 8 1.6%.16 ( 16 ) ( ) 5/11
6/11 d d a (2.1) p d d p (2.2) TD (Tnov Dation) p a TD (2.3) (3) ρ V (2.4) n p n ( n ) C d d C (2.5) d d (2.6) d d (2.7) C V d dd dd C V (2.8) [ ] [ ] [ ] ρ ρ ρ dd dd p dd p V
(2.7) (2.8) V C p ( ) ( ) TD a d d d d V C TD (2.6) ( ) (2.9) (2.1) ( ρ ) V ( C TD ) P F C TD F P (3.1) t d ( C TD F P) TD dc C dtd df dp i (3.2) TD TD dc dc C C dtd dtd { F j ( C P) } { P i ( C P) } F j P i (3.2) 7/11
TD i P dc C dtd P F j P j C P (1 ) (2 ) (3 ) GDP GDP (3.3) ) (1) ( ) 9 ( ) 1 ( ( )) ( ) 9 1 (http://www.mhw.go.jp/shingi/24/3/s32-5.htm) 8/11
( ) ) 1 (1- ) (2) 9/11
3 (3.3) F C )P C ( ) ( ) ( ) ( ) ( ) 14 1.39 2 25 5 1% ( ) 1/11
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