ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN: 9780190931919
Author: NEWNAN
Publisher: Oxford University Press
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In the Davis household, husband Peter can cook 1 dinner in 60 minutes, and do 1 load of laundry in 30 minutes. Wife Angelica can cook 1 dinner in 30 minutes, and do 1 load of laundry in 20 minutes. Peter has an
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- Suppose that Omar’s marginal utility for cups of coffee is constant at 5.5 utils per cup no matter how many cups he drinks. On the other hand, his marginal utility per doughnut is 11 for the first doughnut he eats, 10 for the second he eats, 9 for the third he eats, and so on (that is, declining by 1 util per additional doughnut). In addition, suppose that coffee costs $1 per cup, doughnuts cost $1 each, and Omar has a budget that he can spend only on doughnuts, coffee, or both. How big would that budget have to be before he would spend a dollar buying a first cup of coffee?arrow_forwardHugo decides to buy his Christmas gifts on Black Friday. To simplify his life, he is giving his 10 closest friends scarves for Christmas and everyone else Christmas cards. Hugo is willing to pay up to $20 each for 10 scarves. When he arrives at Macy’s at 5:00 A.M. on Black Friday, he discovers that scarves are on sale for $12 each. Hugo buys 10 scarves and uses the remaining $80 to buy himself some clothes. How much consumer surplus did Hugo receive from the tenth scarf he purchased? Assuming Hugo follows the Rational Rule for Buyers, why did Hugo only purchase 10 scarves when they were on sale? Shouldn't he have purchased more since they were such a good deal compared to what he was willing to pay? Now suppose the manager at Macy’s had 100 scarves in inventory. She decided to put the scarves on sale for $10, but an employee accidentally listed the sales price as $12. To the manager’s surprise, the store sold all 100 scarves at the $12 sales price. How much producer surplus did Macy’s…arrow_forwardGiven Jon's marginal utility from consuming packets of potato chips in the table below, calculate his total utility for each quantity. Quantity 1 2 3 4 6 8 10 Total utility Marginal utility 55 40 27 19 16 8 7 6 2arrow_forward
- Edmund loves lollipops and hates oatmeal. To induce him to eat enough oatmeal and to restrain him from eating too many lollipops, his mum pays him 10 pence for every quart of oatmeal that he eats. The only way that he can get lollipops is to buy them at the sweet shop, where lollipops cost 5 pence each. Besides what he earns from eating oatmeal, Edmund gets an allowance of 10 pence per week. If he consumes only oatmeal and lollipops, and if his consumption bundles are graphed with quarts of oatmeal on the horizontal axis and lollipops on the vertical axis, then Edmund’s budget constraint has a slope of what?arrow_forwarddon't use Al bot or chat GPT otherwise downvote.correct answer will get instant upvotearrow_forwardKari and Hector both are interested in buying pizza slices for lunch. Kari's inverse demand for pizza slices is given by P = 250 – ()Q, where Pis the price of a pizza slice (in cents) and Q is the number of slices. Hector's inverse demand is given by P = 150 -)0. Suppose that Kari and Hector are the only two consumers in the market for pizza slices. Assuming that both Kari and Hector are consuming some pizza each, which of the following functions describes the relevant portion of the market demand curve? Choose one: O A. Q = 0 – (4 + 10)P - 400 В. Р%3D 400 + ( 4+10 C. P = – 400Q (4+10) O D. Q %3D 2,500 — (4 + 10)Р O Oarrow_forward
- A consumer has Cobb-Douglas preferences for beer and pizza. She spends 50% of her budget on New Belgium Fat Tire ale, 20% on Coors Light, and 30% on pizza. Her budget is $500. The price of New Belgium is $9, the price of Coors is $6, and the price of pizza is $12. Suppose Coors acquires New Belgium, and now charges $7.50 for both types of beer. In order to quantify by how much this consumer is better off or worse off because of the merger: Solve for their demand functions for each good, as functions of generic prices and budget. Note that the budget shares tell you what the exponents are in the Cobb-Douglas utility function. Use the demand functions to calculate their optimal quantities demanded for each good at pre-merger prices. Plug these quantities into the utility function and calculate their utility level for the quantities demanded at pre-merger prices. Now put the demand functions (not quantities demanded) into the utility function. What budget level is required at the…arrow_forwardReese thinks peanut butter and chocolate are great when separate, but when they combine they are even more epic. In other words, Reese likes to eat either peanut butter or chocolate, but when he eats them together, he gets additional satisfaction from the combination. His preference over peanut butter (x) and chocolate (y) is represented by the utility function: u(x, y) = xy + x + y Suppose that now Reese loses almost his entire income, so that he is left with only one dollar, i.e. his new income is I0 = 1. If prices are still px = 2, py = 4, what is his new optimal consumption of x and y (Hint: Remember that consumption of both goods must be weakly positive, i.e. x∗ ≥ 0 and y∗ ≥ 0) (a) x∗ = 0.5, y∗ = 0(b) x∗ = 0.25, y∗ = 0(c) x∗ = 0.75, y∗ = 0.25(d) x∗ = 0.75, y∗ = 0(e) x∗ = 0.5, y∗ = 1arrow_forwardSuppose there are two firms selling protein bars. Firm 1 sells 'AggieBars' with 10 grams of protein and firm 2 sells 'DavisBars' with 20 grams of protein. Consumers are distributed uniformly over their preferences for grams of protein between 10 and 20. Suppose firm 1 sells AggieBars for $2 and firm 2 sells DavisBars for $3. The 'cost to consumers of deviating from their optimal amount of protein is $0.20 per gram. a. What protein content does the marginal consumer (the consumer who is indifferent between AggieBars and DavisBars) prefer? The equation for finding the marginal consumer (when the range of product attribute values is 10) is V - p1 - tx m = V – p2 – t(10 – x m) 4 b. How would the proportion of consumers buying each product change if the cost to deviation from one's optimal amount of protein increased (was greater than $0.20 per gram)?arrow_forward
- Musashi plays the cello as part of a string duo and advertises booking opportunities using brochures he distributes in coffee shops around the city. Making one grayscale brochure costs $0.02, but adding color increases the cost to $0.08 per brochure. Musashi sets aside a monthly budget of $14.00 for creating brochures. The following graph shows three of Musashi's indifference curves for the number of grayscale and color brochures that he makes. Use the green line (triangle symbol) to plot Musashi's budget constraint. Then, place the black point (plus symbol) on the graph to indicate Musashi's optimal consumption choice given that budget constraint. GRAYSCALE BROCHURES 1000 900 800 700 600 500 400 300 200 100 2 0 0 25 50 75 100 125 150 175 200 225 COLOR BROCHURES 250 Budget Constraint Optimum ?. At the optimum that you indicated on the graph, Musashi's marginal rate of substitution is equal to 4 brochures color. in grayscale per brochure inarrow_forward70- 60- B 50- 40- 30- Suppose Naomi consumes two goods: good 1 and good 2. Last year, the price of good 1 was $2.00 and the price of good 2 was $3.20. Given these prices, Naomi maximized satisfaction consuming bundle A, as indicated in the figure to the right. However, this year, the price of good 1 has increased to $6.00 and the price of good 2 has changed to $2.40. Given these prices, Naomi would be equally well off at consumption bundle B. Calculate a Laspeyres cost-of-living index for Naomi using 100 as the base for last year. In particular, the Laspeyres index for this year is ☐. (Enter your response rounded to two decimal places.) The Laspeyres index suggests inflation has been percent over the year. (Enter your response rounded to two decimal places.) The Laspeyres cost-of-living index overstates the rate of inflation because it assumes that consumers do not alter their consumption patterns as prices change. Naomi's true cost-of-living increase has been ☐ percent. (Enter your…arrow_forwardSean is arguing with his girlfriend, Yvette. They have been going out for a little more than two years. YVETTE: I'm leaving you, Sean. Get over it. SEAN: Are you saying that being single will make you happier than you've been with me? Speaking personally, I think the utility we've had in this relationship was much more than you could have had if you'd been single this whole time! YVETTE: I had taken an economics class and the word "utility" rings a bell. It's not that at all. We've had a fine time. It's that the utility I would get by continuing our relationship isn't worth it anymore. SEAN: I've never been dumped by someone citing the law of before. You're a piece of work, you know that? Yvette doesn't hear. She has already walked off, leaving Sean feeling like something of a sunk cost.arrow_forward
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