Bulletin – March 2018 Equation (A1)

w t =α+ β 1 u t1 u t1 * u t1 + β 2 π t1 e + β 3 π t1 + β 4 Δ u t1 + β 5 Δ z t1 + β 6 w t1 + ε t MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=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@7819@