ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN: 9780190931919
Author: NEWNAN
Publisher: Oxford University Press
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Question 10
If look at the indifference curves and budget constraint for two goods, X and Y, we can find a new points on a consumer's demand curve for good X by
Group of answer choices
shifting the budget constraint so that both intercepts change.
pivoting the budget constraint so that the Y-intercept stays put, but the X intercept changes.
pivoting the budget constraint so that the X-intercept stays put, but the Y intercept changes.
keeping the budget constraint the same, but changing the indifference curve.
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- 2. Sally consumes two goods, X and Y. Her utility function is given by the expression U = 3XY². The current market price for X is £10, while the market price for Y is £5. Sally's current in come is £500. (a) Sketch a set of two indifference curves for Sally in her consumption of X and Y. (b) Write the expression for Sally's budget constraint. Graph the budget constraint and determine its slope. (c) Determine the X,Y combination which maximises Sally's utility, given her budget constraint. (d) Calculate the impact on Sally's optimum market basket of an increase in the price of X to $15. What will happen to her utility as a result of the price increase?arrow_forwardU(x, y) = xayb A consumer maximises utility subject to a budget constraint M = Pxx+Pyy Where px is the price of good x, py is the price of good y and M is the budget available. a. Derive an expression for the marginal utility of x. Under what condition is the marginal utility diminishing. b. Derive an expression for the marginal utility of y. Under what condition is the marginal utility diminishing.arrow_forwardQuestions 5 (Demand). The following graph displays Adam's consumption point at a certain level of income. Suppose that x1 is a normal good, x2 is an inferior good, and Adam's income increases. Show this change on the following graph by drawing a new budget constraint and indifference curve. Explain why.arrow_forward
- Suppose that a there are two goods, X and Y. The price of Good X is $5 and the price of Good Y is $10. The seller of Good X offers a deal where if a consumer buys 1 unit of Good X they pay full price, but the second unit of Good X is only $3. Calculate the slope of the budget constraint between 1 unit of Good X and 2 units of Good X.arrow_forwardPlease Explainarrow_forwardTony is throwing a party at his Fraternity and is trying to choose what booze to buy. A bottle of vodka has three times the alcohol as a six-pack of beer. Assume that Tony only cares about the total amount of alcohol in his basket. (use vodka on the X-axis and beer measured in six-pack on the Y-axis) a) Devise a utility function to represent these preferences. b) Suppose a bottle of vodka costs $40, a six-pack of beer costs $10, and the budget is $200. Write the budget constraint. c) Solve Tony’s utility maximization problem and find the optimal combination. d) Suppose that a bottle of vodka cost has increased to $50. What will be his new optimal combination.arrow_forward
- Question: How We Can Check Convexity And Monotonicity Of The Utility Function. How we can check convexity and monotonicity of the utility function.arrow_forwardA consumer has a budget of £12 to split between two goods: good 1 has a price of 2, good 2 has a price of 3. Write the consumer’s budget constraint algebraically. Convert this budget constraint into the formula for the budget line. Show this line on a suitably labelled graph. The consumer’s budget increases to £24. Show the effect of this change graphically. A consumer dislikes good 1, and dislikes good 2. Show these preferences on a suitably labelled graph with an indifference curve. Label the graph: which areas would be preferred to those on the line?arrow_forwardSubpart 7 onlyarrow_forward
- The price of good "a" is $5 and the price of good "b" is $15. If the marginal utility of good "a" is 20 then the marginal utility of good "b" must be ________ to have an optimum combination of goods purchased. 80 20 60 4arrow_forward12) Leyla consumes goods X and Y. The price of good X is Px and the price of good Y isPy, Leyla’s income is I. If both prices and Leyla’s income increases by 50%, then theA) budget constraint will be unchanged.B) slope of the budget constraint will increase.C) slope of the budget constraint will decrease.D) budget constraint will shift outward in a parallel fashion.E) None of the above .arrow_forwardA consumer currently spends a given budget on two goods, X and Y, in such quantities that the marginal utility of X is 15 and the marginal utility of Y is 8. The unit price of X is $3 and the unit price of Y is $2. The utility-maximizing rule suggests that this consumer should Multiple Choice a. decrease consumption of product X and increase consumption of product Y. b. increase consumption of product X and increase consumption of product Y. c. decrease consumption of product Y and increase consumption of product X. d. stick with the current consumption mix because it yields maximum utility.arrow_forward
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