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RENTA Geométrica
Diferida Temporal PostPagable |
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VALOR Actual en α = 0 de la renta
diferida en d períodos |
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| - |
Las proyecciones de las n cuantías por
contracapitalización forman una prog. geométrica. |
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C·qn-1(1+i)-(d+n) |
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C·qn-2(1+i)-(d+n-1) |
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··· |
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C·qs-1(1+i)-(d+s) |
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··· |
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C·(1+i)-(d+1) |
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d |
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C1=C |
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Cs=C·qs-1 |
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C·qn-2 |
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Cn=C·qn-1 |
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··· |
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··· |
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··· |
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0 |
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1 |
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d+0 |
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d+1 |
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d+s |
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d+n-1 |
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d+n |
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Sn = C·(1+i)-(d+1) + C·q·(1+i)-(d+2) + ··· + C·qn-1(1+i)-(d+n) = ∑s1,n as = ∑s1,n C qs-1(1+i)-(d+s) |
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podemos sacar factor comun para reducir
el cálculo de la suma de prog. geom. as, |
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Sn = C (1+i)-(d+1) [ 1 +
q(1+i)-1 +···+ qn-1(1+i)-(n-1) ] = C (1+i)-(d+1) ∑s1,n a's = C (1+i)-(d+1)S'n |
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d /( V0)n | i = C (1+i)-(d+1) S'n = (1+i)-d C (1+i)-1 S'n = (1+i)-d A(C,q) n | i = d /A(C;q) n | i |
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RENTA Geométrica Diferida Temporal PrePagable |
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VALOR Actual en α = 0 de la renta
diferida en d períodos |
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| - |
Las proyecciones de las n cuantías por
contracapitalización forman una prog. geométrica. |
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| an |
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C·qn-1(1+i)-(d+n-1) |
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C·qs-1(1+i)-(d+s-1) |
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C·q·(1+i)-(d+1) |
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C·(1+i)-d |
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C1=C |
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C·q |
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Cs=C·qs-1 |
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Cn=C·qn-1 |
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··· |
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d+0 |
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d+1 |
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d+s-1 |
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d+n-1 |
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d+n |
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| Sn = C·(1+i)-d + C·q·(1+i)-(d+1) + ··· + C·qn-1(1+i)-(d+n-1) = ∑s1,n as = ∑s1,n C qs-1(1+i)-(d+s-1) |
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podemos sacar factor comun para reducir
el cálculo de la suma de prog. geom. as, |
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Sn = C (1+i)-d [ 1 +
q·(1+i)-1 + ··· + qn-1(1+i)-(n-1) ] = C (1+i)-d ∑s1,n a's = C (1+i)-d S'n |
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d /( ··V0)n | i = C (1+i)-d S'n = (1+i)-d C S'n = (1+i)-d ··A(C;q) n | i = d
/ ··A(C;q) n | i |
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VALOR actual en α |
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En este caso t0 - α no representa períodos completos sino una diferencia
de tiempos. |
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to -α/A(C;q) n | i = (1+i)-(to-α) A(C;q) n | i |
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to-α/ ··A(C;q) n | i = (1+i)-(to-α) ··A(C;q) n | i |
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