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7: Consider Emily who has a personal wealth of $10,000, and has a probability of 0.2...

7: Consider Emily who has a personal wealth of $10,000, and has a probability of 0.2 of losing her car worth $6,400 in an accident. Her utility (of wealth) function is given by  u(w) =  w0.5, (w = wealth).     

(a) What is Emily's expected wealth, expected utility, and utility of expected wealth? How much would it cost her if she can insure "fully", and if this insurance is fair?

(b) For full insurance, what is the max amount Emily would pay? If she does not have any insurance, determine the certainty equivalent and the risk premium associated with her uncertain situation? Determine the difference if her utility of wealth function was instead  u(w) = 5w?

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Answer #1

For U= 5w

Individual is risk neutral,

So he will not buy insurance,

So Expected wealth = Expected Utility

Thus risk premium is zero

So certainty equivalent = expected wealth

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