RDP 9601: Why Does the Australian Dollar Move so Closely with the Terms of Trade? Equation (5)

q t ln j=1 5 w j Q jt where Q jt E jt . P t AUS P t j MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaqbaeqabeWaaaqaaiaadghadaWgaaWcbaGaamiDaaqabaGccqGHHjIUciGGSbGaaiOBamaaqahabaGaam4DamaaBaaaleaacaWGQbaabeaakiaadgfadaWgaaWcbaGaamOAaiaadshaaeqaaaqaaiaadQgacqGH9aqpcaaIXaaabaGaaGynaaqdcqGHris5aaGcbaGaam4DaiaadIgacaWGLbGaamOCaiaadwgaaeaacaWGrbWaaSbaaSqaaiaadQgacaWG0baabeaakiabggMi6oaalaaabaGaamyramaaBaaaleaacaWGQbGaamiDaaqabaGccaGGUaGaamiuamaaDaaaleaacaWG0baabaGaamyqaiaadwfacaWGtbaaaaGcbaGaamiuamaaDaaaleaacaWG0baabaGaamOAaaaaaaaaaaaa@5B12@