Suppose that Aji Fatou always consumes 2 spoons of sugar (X1)with each cup of coffee (X2). If the price of sugar is p1 per spoonful and the price of coffee is p2 per cup and Aji Fatou has m dollars to spend on coffee and sugar. What is Aji Fatou's Utility Functions? O a. U(X1,X2)= Min{2X1,X2). O b. U(X1,X2) = Min{X1,2X2). Oc U(X1 X2) =2X1 + X2 O d. U(X1, X2) =X1+ 2X2
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- Assume that Bob's utility function over beer x and pizza y is U(x,y) = 4x+12y. Which of the following statements is false? a) If the price of pizza is 12 and the price of beer is 3, then we can't determine how much pizza relative to beer Bob purchases. b) If the price of pizza is 16 and the price of beer is 5, then Bob only purchases pizza. c) If the price of pizza is 15 and the price of beer is 5, the own price elasticity of the demand for pizza as well as beer is infinite. d) It the price of pizza is 15 and the price of beer is 4, Bob purchases only beer e) Pizza and beer are perfect substitutes.Reese 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∗ = 1Kate’s utility function includes coffee (c) and sugar (s). She only consumes coffee and sugar together, and she only consumes in the ratio of one unit (cup) of coffee with two units (spoons) of sugar. Her utility function is What is her marginal utility of sugar if she has 4 cups of coffee and 6 spoons of sugar? Remember that unit are infinitely divisible (you can have parts of units). (a) 0 (b) 1 (c) ½ (d) 2
- Assume that Rossi consumes only bananas and avocado. Fortunately, she likes both goods. The consumption bundle where Rossi consumes x1 units of bananas per week and x2 units of avocado per week is written as (x1, x2). In fact, Rossi’s preferences can be represented by the utility function u (x1,x2 )=4√(x1 )+ x2 . The price for bananas is $1 per unit and the price for avocado is $2 per unit. Rossi has $24 to spend on the two goods. Write down Rossi’s budget constraint and solve for her optimal consumption bundle.Assume that Rossi consumes only bananas and avocado. Fortunately, she likes both goods. The consumption bundle where Rossi consumes x1 units of bananas per week and x2 units of avocado per week is written as (x1, x2). A. In fact, Rossi’s preferences can be represented by the utility function u (x1,x2 )=4√(x1)+ x2 . The price for bananas is $1 per unit and the price for avocado is $2 per unit. Rossi has $24 to spend on the two goods. Write down Rossi’s budget constraint and solve for her optimal consumption bundle. B. Now Rossi has $10 more to spend on the two goods ($34 in total), and what is her optimal consumption bundle now? Compare your solution with the previous one. Can you say anything interesting?Reese 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) isrepresented by the utility functionz; u(x, y) = xy + x + y Suppose now that Reese’s income is high relative to the prices of peanut butter andchocolate (more concretely, imagine I > px and I > py). What is Reese’s Marshalliandemand for peanut butter, x^∗(Px, Py, I)?
- Sylvia’s utility function over waffle fries, F, and frozen yogurt, Y is given by U = 2 ∗ F ∗ Y. Her marginal utility from waffle fries is MUF = 2Y, and her marginal utility from frozen yogurt is MUY= 2F. A pack of frozen waffle fries sells for $4. The price of a cup of frozen yogurt is $6. Sylvia has a budget of $120 to allocate to these items each month. a) For Sylvia’s utility functions above, draw a set of indifference curves showing utility levels U = 20, U = 30, and U = 40 b) What is the equation for Sylvia’s budget line? Draw it (with frozen yogurt –Y– on the vertical axis), and label the slope and intercepts. c) What is Sylvia’s marginal rate of substitution? d) If Sylvia maximizes her utility, how much of each food should she consume? Solve for her optimal bundle. Show how to determine this bundle on a diagram using indifference curves and a budget line. e) Briefly explain if each of the four conditions of the utility-maximizing behavior is satisfied with the bundle you…Miss Coco consumes cheese cake and curry puff. Her consumption yields the following total utility as shown in the given table. Miss Coco has RM52 to spend. Suppose that the prices of cheese cake and curry puff are RM8 and RM4, respectively. Quantity (units) Total Utility Cheese Cake Curry Puff 1 56 32 2 104 60 3 136 84 4 160 104 5 170 116 6 176 126 7 178 134 How many units of cheese cake and curry puff should Miss Coco buy to maximize her utility with the income of RM52?First household m=$2,500 per month, spends $125 dollars per month on electricity. Second household m=$10,000 per month and spends $200 per month on electricity. p1=0.1 and p2=1 x1=consumption of electricity and x2=everything else The preferences over electricity and other goods is described by a Cobb- Douglas utility function. What are the parameters of the utility function for each of the two households?
- Ceja has utility function U=A2*B2 , where A equals the number of apples she eats each week, while B is the number of bananas she eats each week. Ceja has $20 to spend on fruit each week. The price of an apple is $1, while the price of a banana is $0.25. Find out the combination of Apples and Bananas that maximize Ceja’s satisfaction. If price of Banana is increased by $.25, what will be the new combination of A and B that would maximize her utility? Show graphically and drive the demand curve for BananasSuppose Karpov also enjoys eating nuts and berries. His utility function is u(c1,c2)=min{c1+2c2,2c1+c2}u(c1,c2)=min{c1+2c2,2c1+c2} where c1c1 is nuts and c2c2 is berries. However, Karpov faces different prices to Magnus. The prices he faces for nuts and berries are 3 and 2 respectively. Given his income of 10, how many units of nuts and berries does he consume? At what prices will Karpov only consume nuts and no berries? And, at what prices will he only consume berries and no nuts? Find all price and income combinations where Karpov will choose to consume equal quantities of berries and nuts.Suppose an individual is currently spending all of their income on a bundle of books and pizza, but they are not sure whether the bundle maximizes their utility. Assume the individual has a strictly diminishing marginal rate of substitution over these two goods. At their current bundle of books and pizza, the individual's marginal utility from consuming books is 6 utils and their marginal utility from consuming pizza is 3 utils. If the current price of a book is $12 and the price of a pizza is $7, which of the following statements must be true: A. The individual can increase their utility by consuming more books and less pizza B. The individual is maximizing their utility C. The individual can increase their utility by consuming more pizza and fewer books