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Bulletin – September 2015
Equation (A1)
ln
A
τ
~
N
[
ln
A
t
+
(
μ
−
σ
A
2
2
)
τ
,
σ
A
2
τ
]
,
MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaeiBaiaab6 gacaWGbbWaaSbaaSqaaiabes8a0bqabaGccaGG+bGaamOtamaadmaa baGaaeiBaiaab6gacaWGbbWaaSbaaSqaaiaadshaaeqaaOGaey4kaS YaaeWaaeaacqaH8oqBcqGHsisldaWcaaqaaiabeo8aZnaaDaaaleaa caWGbbaabaGaaGOmaaaaaOqaaiaaikdaaaaacaGLOaGaayzkaaGaeq iXdqNaaiilaiabeo8aZnaaDaaaleaacaWGbbaabaGaaGOmaaaakiab es8a0bGaay5waiaaw2faaiaacYcaaaa@53EF@