RDP 8906: A Random Walk Around the $A: Expectations, Risk, Interest Rates and Consequences for External Imbalance
Equation
D
i
[
a/b
]
=
100
×
In
(
1
+
Δ
i
S
t
[
a/b
]
/
S
t
[
a/b
]
)
≈
100
×
Δ
i
S
t
[
a/b
]
/
S
t
[
a/b
]
,
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