RDP 8601: Classical Models and Unobserved Aggregates Equation (3)

y t = y t s = y t d MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaeyEamaaBa aaleaacaqG0baabeaakiabg2da9iaabMhadaqhaaWcbaGaaeiDaaqa aiaabohaaaGccqGH9aqpcaqG5bWaa0baaSqaaiaabshaaeaacaqGKb aaaaaa@4052@