RDP 9102: Indicators of Economic Activity: A Review Equation

y t = ∑ j=1 m a j y t−j + ∑ j=1 m b j x t−j + u t MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaeyEamaaBa aaleaacaqG0baabeaakiabg2da9maaqahabaGaaeyyamaaBaaaleaa caqGQbaabeaakiaabMhadaWgaaWcbaGaaeiDaiabgkHiTiaabQgaae qaaOGaey4kaSYaaabCaeaacaqGIbWaaSbaaSqaaiaabQgaaeqaaOGa aeiEamaaBaaaleaacaqG0bGaeyOeI0IaaeOAaaqabaGccqGHRaWkca qG1bWaaSbaaSqaaiaabshaaeqaaaqaaiaabQgacqGH9aqpcaaIXaaa baGaaeyBaaqdcqGHris5aaWcbaGaaeOAaiabg2da9iaaigdaaeaaca qGTbaaniabggHiLdaaaa@54CD@