RDP 8601: Classical Models and Unobserved Aggregates Equation

var( x t t1 x t )= Γ 1 (var( z t t1 z t )) Γ 1 + Δ 1 var( ξ t 0 ) Δ 1 + Δ 2 var( ξ t ) Δ 2 MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaeODaiaabg gacaqGYbGaaiikaiaabIhadaWgaaWcbaGaaeiDaaqabaGccqGHsisl daWgaaWcbaGaaeiDaiabgkHiTiaaigdaaeqaaOGaaeiEamaaBaaale aacaqG0baabeaakiaacMcacqGH9aqpcqqHtoWrdaWgaaWcbaGaaGym aaqabaGccaGGOaGaaeODaiaabggacaqGYbGaaiikaiaabQhadaWgaa WcbaGaaeiDaaqabaGccqGHsisldaWgaaWcbaGaaeiDaiabgkHiTiaa igdaaeqaaOGaaeOEamaaBaaaleaacaqG0baabeaakiaacMcacaGGPa Gaeu4KdC0aaSbaaSqaaiaaigdaaeqaaOWaaWbaaSqabeaakiadacUH YaIOaaGaey4kaSIaeuiLdq0aaSbaaSqaaiaaigdaaeqaaOGaaeODai aabggacaqGYbGaaiikaiabe67a4naaDaaaleaacaqG0baabaGaaGim aaaakiaacMcacqqHuoardaWgaaWcbaGaaGymaaqabaGcdaahaaWcbe qaaOGamai4gkdiIcaacqGHRaWkcqqHuoardaWgaaWcbaGaaGOmaaqa baGccaqG2bGaaeyyaiaabkhacaGGOaGaeqOVdG3aaSbaaSqaaiaabs haaeqaaOGaaiykaiabfs5aenaaBaaaleaacaaIYaaabeaakmaaCaaa leqabaGccWaGGBOmGikaaaaa@78F5@