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Homework Statement
Consider the following density function:
f(x) = ABB/xB+1; A<= x, zero elsewhere, where A > 0 and B> 0
Homework Equations
The Attempt at a Solution
f(x1,...,xn)= ABnBn(x1...xn)B+1
ln f(x1,...,xn)= Bn ln A + n ln B + (B+1)ln((x1...xn)
After differentiating with respect to A and setting to 0, Bn/A= 0. Therefore there is no maximum likelihood estimator for A?