Bulletin – September Quarter 2017 Equation (A1)

y ˜ t = a y,1 y ˜ t1 + α y,2 y ˜ t2 a r 2 i=1 2 ( r ti r ti * )+ ε y ˜ ,t MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=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@6365@