Question: Continuing the previous exercise, show that if E e4 t 1then n1/2 Xn t1 e2 t 2t ! d N

Continuing the previous exercise, show that if E

£

e4 t

¤

Ç1then n¡1/2 Xn tÆ1

¡

e2 t ¡¾2t

¢

¡!

d N

¡

0, v2¢

.

Express v2 in terms of themoments of et .

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