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@