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1. Consider the following ARCH(1) model: ut=vot, vt is i.i.d. with mean 0 and variance 1 Please compute the following: (a). E[+] (b). E[+2]

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1. Consider the following ARCH(1) model: ut=vot, vt is i.i.d. with mean 0 and variance 1 Please compute the following: (a). E[+] (b). E[+2] (c). E[+] (d). Derive a general formula for E[+] for any s 2.

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