2. Alex plays football for a local club in Kumasi. If he does not suffer any injury b y the end of the season, he will get a professional contract with Kotoko, which is worth $10,000. If he is injured though, he will get a contract as a fitness coa ch worth $100. The probability of the injury is 10%. Describe the lottery What is the expected value of this lottery? What is the expected utility of this lottery if u(x) = √X Assume he could buy insurance at price P that could pay $9,900 in case of inj ury. What is the highest value of P that makes it worthwhile for Alex to purcha se insurance? What is the certainty equivalence for this lottery?

2. Alex plays football for a local club in Kumasi. If he does not suffer any injury b y the end of the season, he will get a professional contract with Kotoko, which is worth $10,000. If he is injured though, he will get a contract as a fitness coa ch worth $100. The probability of the injury is 10%. Describe the lottery What is the expected value of this lottery? What is the expected utility of this lottery if u(x) = √X Assume he could buy insurance at price P that could pay $9,900 in case of inj ury. What is the highest value of P that makes it worthwhile for Alex to purcha se insurance? What is the certainty equivalence for this lottery?

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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4) Luke is planning an around-the-world trip on which he plans to spend $10,000. The utility from the trip is a function of how much she spends on it (Y ), given by U(Y) = InY a). If there is a 25 percent probability that Luke will lose $1000 of his cash on the trip, what is the trip's expected utility. b). Suppose that Luke can buy insurance to fully against losing the $1,000 with a actuarially fair insurance. What is his expected utility if he purchase this insurance. Will he purchase the insurance? c). Now suppose utility function is U(Y) = Y/1000 What is his expected utility if he purchase the insurance in b). Will he purchase the insurance?
B: Theory: Choice under uncertainty 3. Nigel would be (just) willing to pay £5 for a bet giving 50% chance of £20 and 50% chance of nothing. What is the expected value of this bet? 4. Represent Nigel's preferences in a suitably labelled graph. 5. A company offers Nigel full insurance, so that in the 'bad' state of the world it will give him a pay out of £20. If the company makes zero profits, what should premium should the company charge? Would Nigel take the insurance? (explain)
1. A person with U(w) = w² is facing the following lottery: there are four tickets sold, or which only one wins the prize of $100. a. Calculate the expected value of the lottery. b. Calculate the certainty equivalent. c. Comparing parts (a) and (b), what is this person's risk preference and why?
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A. From the graph below explain how an insurance plan which provides the buyer a $15,000 wealth level, regardless of any uncertain event, is a good deal for the buyer? In other words, what does the distance between points D’ and C’ represent? Note we are referring to D prime, not D. B. Considering the graph below, can you explain the difference between expected utility and certainty utility?
Suppose that Mary has a utility function U(W) W power of 0.5. Her only asset is the shares in the start-up e-com company. Next week she will learn the stock's value. She believes that it is worth $225 with the probability 1/3, $196 with the probability 1/2 and $144 with the probability 1/6. Write down the prospect and calculate the expected value and her expected utility.
4. A taproom owner is trying to determine how to structure his manager's compensation. One option he considers is a flat salary of $70,000 per year. The second option is a base salary of $30,000 plus 15% of the taproom's profit. If the manager puts a lot of effort into her job, the taproom's annual profit will be $500,000 with 75% probability and $100,000 with 25% probability. If the manager exerts only modest effort, the taproom's profit will be $500,000 with 25% probability and $100,000 with 75% probability. The manager's opportunity cost of putting a lot of effort into her job is $50,000, while her opportunity cost of exerting only modest effort is $25,000. a. Draw the game tree for the interaction between the taproom owner and the manager. Assume that the taproom owner moves first. b. What is the equilibrium outcome for this game? What kind of contract should the taproom owner offer? What level of effort will the manager choose? Explain.
Economics
6 Consider Bob's utility function. a. What is Bob's expected value of a gamble with a 50% chance of $0 and a 50% chance of $100? 4 d b 30 50 75 100
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8) Draw a graph that shows the typical relationship between weighted probabilities (in prospect theory) and actual probabilities. How does this impact decision-making? 4