RDP 2009-06: Inflation Volatility And Forecast Accuracy Equation (6)

τ t = ϕ τ t 1 + ε t MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeqiXdq3aaS baaSqaaiaadshaaeqaaOGaeyypa0Jaeqy1dyMaeqiXdq3aaSbaaSqa aiaadshacqGHsislcaaIXaaabeaakiabgUcaRiabew7aLnaaBaaale aacaWG0baabeaaaaa@4402@