1 Private consumption C in a small closed economy can be des.pdf

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1 Private consumption C in a small closed economy can be described by the expression C=5+(3/4 )Y stipulating its dependence of C on azgregate output Y. Planned investment by the private sector is Ip=10 while government purchases and net exports are zero. 0) Obtain autonomous consumption, the marginal propensity to save (MPS), the spending multipler iml. the equilibrium GDP and the private savings 5 for this economy Gou may need to draw a consumption table for Y leveis 0,10,20,1002. (ii) Anticipating a favorable effect on business of the end of the pandemic, firms decide to double planned irvestment spending to expand capaciy. What will happen to the GDP and to private savings? (ii) Confident about the signs of economic recovery observed in (ii), people abandons any sign of austere bethavior and indulges in a lavish spending surge evidenced by an increase in autonomous consumption from 5 to 10. What will happen to the equibrium GDP and to private savings as a consequence of this behaviorai change? Obtain the new values of Y and S as part of your answer. (iv) Using a single graph, describe the equilbriun GDP correspondins to the scenarios described in parts (i), (i) and (ii). You may atzach a picture of the graph to an email and send it the (v) Comparing (i) and (iii, can you conclude that abandoning austerity has caused a squandering of painfully made savings? Explain why..

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'J)o aUtuxoa-/ q,rr"*{fAsl4 #S- CHAPTER 12 Spending by lndividuals, Firms, and Governments on Real Goods and Services 359 f-,LI Given the following variables in the open economy aggregate expenditure model, autonomous consumption (Co) * 2A0, autonomous investment (16) = 200, government spending (Gd = 100, export spending (Xo) = 100, autonomous import spending (Mil = 100, taxes (Tp) = 0, marginal pro. penstty to consume (cJ = 0.8, marginal propensity to invest (iJ = 0"1, and marginal propensity to import @nt) = 0-15, a Calculate the equilibrium level of income for the open economy aggregate expenditure model. b. If there is an increase in autonomous import expenditure from 100 to 200 resulting from arr increase in the currency exchange rate, calculate the new equilibrium level of income and the value of the multiplier. c. Compared with the original equilibrium in part a, if the goyernrnent decides to impose taxes {Tp) of 100, ca}culate the new equilibrium level of income. ffi Application Questions 1. [Jse the aggregate expenditure model developed in this chapter to explain the following statements: a Coming amid continued turmoil in the financial and credit markets, the report sent stocks lower, with the Dow Jones Industrial Average fatling 146.70 points F?idayto close at 11,899.69. b. Administration offlcials said they were confident conditions would improve as tax rebates that are part of the recent $152 billion economic- stimulus package begin to reach consumers. c. The Fed is expected to cut interest rates again to prop up the economy. 2. Redraw Figures l2.11aand 12.11b to illustrate the effects on the resulting equilitrrium level of income trom ea,ch of the following changes: a A greater sensitivity of interest-related consumption and investment expenditure to changes in the interest rate. b. A larger multiplier in the aggregate expenditure model. Hint: Remember that consumption has an autonomous component and is a firnction of dispos- able income, Iz4, where Ya= Y - Tp. the consumption ion is given by C = 800 + 0.8 {Y - T1), that nt (1) equals 200, and that government (G) and taxes (7p) or export spending. a. Calculate the equilibrium lncome. b. If government purchases crease by 100 (all else held constant), the new equilibrium level of ue of the multiplier. c. Compared with government nditure (G) and Qp) so that the government budget remalns anced, does the equilibrium level remain unchanged? Explain your "r'';+ 3. Go to the Web site of the Conference Board (www.conference-board.org) and find the latest release of the Consumer Confidence Index. I{ow has the index changed since its last release? What is the expected impact of this change on the economy? 4. A number of articles in the Watl Street Jou,mraL reported that the strong dollar, combined with the recession of 2001, fbrced many U.S. manu- facturers to develop better methods to produce and sell their products. Usc the discussion of the nlacr ...

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