Question

For n ≥ 1, let Xn be a continuous random variable with pdf fn(x) = {cn/xn+1,...

For n ≥ 1, let Xn be a continuous random variable with pdf fn(x) = {cn/xn+1, x ≥ cn,

0, otherwise.}

Xn’s are called Pareto random variables and are used to study income distributions.

(a) Calculate cn, n ≥ 1.

(b) Find E(Xn), n ≥ 1.

(c) For what values of m does E(X^m+1

n) exist?

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