Question: Using the value of ????0 calculated in Exercise 7.2: (a) Show that the unconditional sum of squares ????(0.5) is 143.4. (b) Show that for the
Using the value of ????̂0 calculated in Exercise 7.2:
(a) Show that the unconditional sum of squares ????(−0.5) is 143.4.
(b) Show that for the (0, 1, 1) model, for large ????,
????(????) = ????∗(????|0) − ????̂
2 0
1 − ????2
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