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

Δto t t =α+( ρ1 )to t t1 + j=1 p γ j Δto t tj + ε t MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeuiLdqKaamiDaiaad+gacaWG0bWaaSbaaSqaaiaadshaaeqaaOGaeyypa0JaeqySdeMaey4kaSYaaeWaaeaacqaHbpGCcqGHsislcaaIXaaacaGLOaGaayzkaaGaamiDaiaad+gacaWG0bWaaSbaaSqaaiaadshacqGHsislcaaIXaaabeaakiabgUcaRmaaqahabaGaeq4SdC2aaSbaaSqaaiaadQgaaeqaaOGaeuiLdqKaamiDaiaad+gacaWG0bWaaSbaaSqaaiaadshacqGHsislcaWGQbaabeaakiabgUcaRiabew7aLnaaBaaaleaacaWG0baabeaaaeaacaWGQbGaeyypa0JaaGymaaqaaiaadchaa0GaeyyeIuoaaaa@5E33@