Consider this economy: C = 100 + 0.5Y 1= 400 + 0.1Y Drag and drop options on the right-hand side and submit. For keyboard navigation.. SHOW MORE V Marginal propensity to consume 1000 Multiplier 0.5 Income of equilibrium 500 Consumption of equilibrium 1250 Investment of equilibrium 2.5 600 525 725 II II II II III III II II

Consider this economy: C = 100 + 0.5Y 1= 400 + 0.1Y Drag and drop options on the right-hand side and submit. For keyboard navigation.. SHOW MORE V Marginal propensity to consume 1000 Multiplier 0.5 Income of equilibrium 500 Consumption of equilibrium 1250 Investment of equilibrium 2.5 600 525 725 II II II II III III II II

ECON MICRO

5th Edition

ISBN:9781337000536

Author:William A. McEachern

Publisher:William A. McEachern

Chapter13: Capital, Interest, Entrepreneurship, And Corporate Finance

Section: Chapter Questions

Problem 1.1P

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) Consider the following closed economy SImodel set upY = 18000C = 300 + 0.8(Y − 2500)I = 3500 − 400(r)G = 3000T = 2500(a) Compute the impact on r and I, if Gincreases by 500.(b) Compute the impact on r and I, if Gincreases by 500.(c) Compute the impact on r and I, if bothG and T increase by 500.
QUESTION 1An individual lives for two periods and decides how much to consume in each period.- In the first period his consumption equals C1 and his income Y1 = 200- In the second period his consumption equals C2 and his income Y2 = 100He can save or borrow money in the first period to finance his consumption in the second period.The interest rate he gets in case he saves or has to pay in case he borrows money equals 7%.Determine the budget constraint of this individual. C2 = −0.935·C1 +314C2 =−1.07·C1 +314C2 =−0.8·C1 +314C2 =−1.08·C1 +314 QUESTION 2The total production of a good y is determined by the production function y = 3L2/3K1/3, where L is labour input and K capital input.The reward (factor prices) for labour and capital are, l = 27 en r = 2, respectively.The producer needs to produce 9000 units of good y.How much units of labour will he hire if he wants to miminize his total costs? 1587,4839,953000515,23 QUESTION 3A good is traded on a perfectly competitive…
When AP L is positive but declining, the MP L could be (i) declining (ii) zero (iii) negative or (iv) any of them. Which one is the correct alternatives? Explain with diagram.
If C = 12 + 4/5Y, I = 20, what is the values the marginal propensity to save? What is equilibrium level of Y? Show that in equilibrium S = I.
Consider the intertemporal consumption problem of Mr Cronus between two periods, say this yearand next year. His utility function takes the form U (c1; c2) = pc1 +0:97pc2, where c1 and c2 arehis consumption this and next year respectively. It can be shown (and you do not have to) thatthis utility function satises diminishing marginal rate of substitution.His yearly income is stable at 100 unit (let say a unit is ten-thousand). He faces di¤erent interestrates between borrowing and saving. Specically, the saving interest rate is 0:02, whereas theborrowing interest rate is 0:04.(a) Describe the budget set facing Mr Cronus.(b) Is Mr Cronus a borrower? Explain your answer.(c) Is Mr Cronus a saver? Explain your answer.
Equation for consumption is C=40/(0.8Y) where Y= yearly income = $400. The marginal propensity to consume is _______?
Exercise D25 What role does government play in stabilizing the economy and what are the tradeoffs that must be considered?
a. Discuss the assumptions of the Fisher’s Intertemporal Choice Model b. Using Fisher's Intertemporal Choice model, consider the following scenario:i. Suppose Milo earns $1,750 in the first period and $2,500 in the second period. If he consumes $1,200 in the first period and $1,550 in the second period, what is the interest rate? ii. Now if Milo’s consumption changes to $1,800 in the first period and $2,000 in the second period, what is the new interest rate? c. Graphically depict and explain the Consumer’s optimum in the Fisher’s Intertemporal Choice Model.
Please no written by hand solutions Data on before-tax income, taxes paid and consumption spending (on domestic goods and services) for the Simpson family in various years are given below. BEFORE-TAX INCOME ($) TAX PAID ($) CONSUMPTION SPENDING ($) 3000 3500 3700 4000 25 000 27 000 28 000 30 000 20 000 21 350 22 070 23 600 a. Graph the Simpsons's consumption function and find their household's marginal propensity to consume. b. How much would you expect the Simpsons to consume if their income was $32 000 and they paid taxes of $5000? c. Homer Simpson wins a lottery prize. As a result, the Simpson family increases its consumption by $1000 at each level of after-tax income. ('Income' does not include the prize money.) How does this change affect the graph of their consumption function? How does it affect their marginal propensity to consume?
(50 points) Consider the two-period economy with investment discussed in class. Forthe sake of simplicity, assume that the utility is time separable and that the per-periodutility is equal to:u(C) = log CAssume also that the technology to produce the consumption goods has constant returns to scale. Moreover, capital is the only input to production. Hence the currentperiod technology can be represented as:Y = zK1where Y , K, and z stand for output, capital and total factor productivity in the currentperiod. The future period technology is akin to the current period technology. There isno government expenditure in the current and future period so that G = 0 and G0 = 0.Finally there is full capital depreciation, namely δ = 1.(a) (10 points) Write down the social planner’s problem. State the variables withrespect to which the social planner maximises.(b) (10 points) Derive the first order conditions to the planner problem. Rearrangethere condition to find the conditions characterising the…
Consider an economy with two periods (interpreted as “when young” and “when old” periods)and two consumers, Gillian Davis and Joana Wolinsky. Gillian is a star ballet dancer with a lifetime income given by ωG= (400,0). Joana is an Econ Ph.D. student with incomeωJ= (0,400). Gillian and Joana have identical utility functions given by Ui(x1,x2) = 6 lnx1+ 3 lnx2 for i=G, J a) Plot an Edgeworth box and mark the initial endowment point. b) Write the general definition of Pareto efficient allocation (one sentence) and give the equivalent condition in terms of MRS (give formula). Check if this condition is satisfied for initial endowments. c) Derive the contract curve (write down the appropriate conditions and solve for the curve) and depict it in the Edgeworth box. d) Suppose Gillian and Joana can “trade” consumption in both periods at pricesp1,p2. Find the competitive equilibrium (6 numbers) and depict the equilibrium allocation in the Edgeworth box. e) Using the MRS condition from part b),…
) Consider the following IS-LM model set upC = 300 + 0.8(Y − 2500)I = 3500 − 400(r)G = 3000T = 2500(M/P)s = 2600Md = 2000 −1000(r) + 0.2(Y)(a) Using the IS equation, if r is 3 howmuch is Y?(b) Using the LM equation, if Y is 19000how much is r? (c) Find equilibrium r and Y, andplot IS-LM equilibrium