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A new insurer uses a quadratic utility function, where U ( w ) = w + d w 2 for some d 0 . (

A new insurer uses a quadratic utility function, where U(w)=w+dw2 for some d0.
(a)(5 points) Derive the absolute risk aversion of the insurer's utility function.
(b)(5 points) Demonstrate whether the insurer's absolute risk aversion is decreasing,
constant or increasing, relative to wealth.
(c)(5 points) The insurer is about to write its first two contracts on a new policy. The
contracts will be identical but independent, each with a 10% probability of a claim.
Each claim costs $100 and there can be, at most, one claim per policy. The insurer's
initial wealth is $250. The insurer uses the utility function with d=-0.001.
Calculate the premium, p, that the insurer should charge per policy such that the
insurer's expected utility of wealth after writing the policies is equal to the insurer's
current utility of wealth.
(d)(5 points) Comment on whether the policy might be attractive to customers at this
premium.
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