用实际经验法则估算增长率的近似度量


0

我不知道如何从中获得收益:

= 1 + 1+[RŤ+11+一世Ť1+πŤ+1

1 + - π + 11+[RŤ+11+一世Ť- πŤ+1

通过应用以下经验法则:

= X ÿžXÿQ

暗示

=ΔXΔžž +ΔÿΔXX -ΔQΔÿÿΔQQ

注意:

:实际利率[RŤ+1

:名义利率一世Ť

:通货膨胀率πŤ+1

我希望有人会帮助:)

Answers:


3

争论1:

1+[RŤ+1=1+一世Ť1+πŤ+1

取双方的自然数

日志1+[RŤ+1=日志1+一世Ť- 日志1+πŤ+1

日志1+XXX

[RŤ+1一世Ť- πŤ+1

论点2:

1+[RŤ+1=1+一世Ť1+πŤ+1
1+[RŤ+1+πŤ+1+[RŤ+1πŤ+1=1+一世Ť

[RŤ+1πŤ+1

[RŤ+1+πŤ+1一世Ť
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