RDP 2005-05: Underlying Inflation: Concepts, Measurement and Performance Equation

ln L = 1 2 i = 1 N t = 1 T ln ( σ i 2 w i t ) 1 2 i = 1 N t = 1 T w i t σ i 2 ( π i t π t ) 2 . MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=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@726C@