RDP 8902: Option Prices and Implied Volatilities: An Empirical Analysis Equation (6)

( T( t+1 ) ) σ 2 ( t+1,T )+ ε t+1 2 =( Tt )α+β( Tt ) σ 2 ( t,T )+( Tt ) γz t + v t+1 MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaeWaaeaaca qGubGaeyOeI0YaaeWaaeaacaqG0bGaey4kaSIaaGymaaGaayjkaiaa wMcaaaGaayjkaiaawMcaaiabeo8aZnaaCaaaleqabaGaaGOmaaaakm aabmaabaGaaeiDaiabgUcaRiaaigdacaGGSaGaaGPaVlaabsfaaiaa wIcacaGLPaaacqGHRaWkcaqG1oWaa0baaSqaaiaabshacqGHRaWkca aIXaaabaGaaGOmaaaakiabg2da9maabmaabaGaaeivaiabgkHiTiaa bshaaiaawIcacaGLPaaacqaHXoqycqGHRaWkcaqGYoWaaeWaaeaaca qGubGaeyOeI0IaaeiDaaGaayjkaiaawMcaaiabeo8aZnaaCaaaleqa baGaaGOmaaaakmaabmaabaGaaeiDaiaacYcacaaMc8UaaeivaaGaay jkaiaawMcaaiabgUcaRmaabmaabaGaaeivaiabgkHiTiaabshaaiaa wIcacaGLPaaacaqGZoGaaeOEamaaBaaaleaacaqG0baabeaakiabgU caRiaabAhadaWgaaWcbaGaaeiDaiabgUcaRiaaigdaaeqaaaaa@6F9C@