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Calculating Consumption and Measuring Relative Risk Aversion

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1. find out the change in consumption of goods x and y for a person with utility U(x,y)= 8(x)^0.6(y)^0.3 and income of $270 facing px = $2 and py = $3 when a tax of $1 per unit is added to the price of x. Decompose the change in consumption of x into Hicks income and substitution effects. Finally, find out and interpret the compensating and equivalent variations for this tax.

2. For U(x,y) = 0.5(x)^0.4(y)^0.6, find the Marshallian demands, the indirect utility function, the expenditure function, and the compensated demands. You must derive the functions, do NOT plug into a formula. find out the change in consumer surplus from good x that results from a change in the price of x from $10 to $5 when income is $500 and the price of y is $30.

3. A person with $10 million in wealth and utility of wealth given by U(w) = 100(w)^0.4 is considering buying fire insurance. She faces a 2% chance of suffering a $500,000 loss due to fire.

a. Show (mathematically) that her expected utility is higher when she purchases an actuarially fair insurance policy than when she faces the risk of fire with no insurance. What is the most she should consider paying?

b. After various events, this person has accumulated new wealth of W. Show what percentage, f, of her new wealth she would be willing to pay to avoid a fair gamble involving 50% of her wealth. What does the fact that f does not depend on W imply about her relative risk aversion? Verify your answer by calculating the measure of relative risk aversion.


Business Economics, Economics

  • Category:- Business Economics
  • Reference No.:- M927690

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