Prediction markets allow traders to bet on future events. One prediction market that is particularly active this season involves betting on the winner of the U.S. presidential election. Thus, for example, if one trader buys one share of "Obama to win" from another trader, then if Obama wins the election the seller pays 1 dollar to the buyer, and if Obama does not win the seller pays nothing; either way, the seller keeps the money paid by the buyer for the purchase of the share. (a) Leila is an expected utility maximizer with von Neumann-Morgenstern utility u(x) In(x + 1) and initial wealth 4. Leila believes that Obama will win with probability 1/2.
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- Suppose a company is hiring graduates from Harvard and Yale and they want to hire people with very high predicted productivity. All they use to predict productivity is where they went to school and their GPA. There is no difference in average true ability between students at Harvard and Yale. However, while Yale GPAs are excellent predictors of performance at this company, Harvard GPAs are not. The company hires very few graduates and the cutoff for expected productivity is well above average. What will be true about the GPA cutoffs for the two schools? A. The cutoff for Harvard will be higher.B. The cutoff for Yale will be higher.C. The cutoffs will be the same.D. There is not enough information to answer this question.When a famous painting becomes available for sale, it is often known which museum or collector will be the likely winner. Yet, the auctioneer actively woos representatives of other museums that have no chance of winning to attend anyway. Suppose a piece of art has recently become available for sale and will be auctioned off to the highest bidder, with the winner paying an amount equal to the second highest bid. Assume that most collectors know that Valerie places a value of $15,000 on the art piece and that she values this art piece more than any other collector. Suppose that if no one else shows up, Valerie simply bids $15,000/2=$7,500 and wins the piece of art. The expected price paid by Valerie, with no other bidders present, is $________.. Suppose the owner of the artwork manages to recruit another bidder, Antonio, to the auction. Antonio is known to value the art piece at $12,000. The expected price paid by Valerie, given the presence of the second bidder Antonio, is $_______. .Consider the following compound lottery, described in words: "The probability that the price of copper increases tomorrow is objectively determined to be 0.5. If it increases, then tomorrow I will flip a coin to determine a monetary payout that you will receive: if the flip is Heads, you win $100, while if it is Tails, you win $50. If it does not increase, then I will roll a 10-sided die (assume each side is equally likely to be rolled). If the die roll is a 4 or lower, you will win $100. If it is a 5, then you will win $200, and if it is a 6 or greater, you will win $50." Fill in the blanks below for the reduced lottery that corresponds to this compound lottery (write in decimals). R= ( , $50; , $100; , $200)
- You're a contestant on a TV game show. In the final round of the game, if contestants answer a question correctly, they will increase their current winnings of $1 million to $3 million. If they are wrong, their prize is decreased to $750,000. You believe you have a 25% chance of answering the question correctly. Ignoring your current winnings, your expected payoff from playing the final round of the game show is [$ blank]. Given that this is positive [blank (positive/negative)], you should [blank (should/should not)] play the final round of the game. (Hint: Enter a negative sign if the expected payoff is negative.) The lowest probability of a correct guess that would make the guessing in the final round profitable (in expected value) is [blank]. (Hint: At what probability does playing the final round yield an expected value of zero?)BPO Services is in the business of digitizing information from forms that are filled out by hand. In 2006, a big client gave BPO a distribution of the forms that it digitized in house last year, and BPO estimated how much it would cost to digitize each form. Form Type Mix of Forms Form Cost A 0.5 $3.00 B 0.5 $1.00 The expected cost of digitizing a form is . Suppose the client and BPO agree to a deal, whereby the client pays BPO to digitize forms. The price of each form processed is equal to the expected cost of the form that you calculated in the previous part of the problem. Suppose that after the agreement, the client sends only forms of type A. The expected digitization cost per form of the forms sent by the client is . This leads to an expected loss of per form for BPO. (Hint: Do not round your answers. Enter the loss as a positive number.)We learned that we can use choice between a gamble over someone's best and worst outcomes and getting an outcome of interest (like getting pizza) for certain as a way to assign numeric values to utility (on a scale of 0 to 1). Using this method, if you are indifferent between the following: A gamble that has a 0.3 chance of your best possible outcome (and no lower chance), and a 0.7 chance of your worst possible outcome. Getting pizza for certain. it means that your utility for getting pizza is:
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