Troll Island is a small island nation that recently experienced an autonomous change in aggregate expenditures (AE). AE increased by 8 billion, and the marginal propensity to consume on Troll Island is equal to 0.55. What is the change in Troll Island's real GDP after the increase in AE? Enter your answer in billions of dollars, rounded to one place after the decimal. For example, an answer of $2,500,000 should be entered as 2.5. $ billion

Troll Island is a small island nation that recently experienced an autonomous change in aggregate expenditures (AE). AE increased by 8 billion, and the marginal propensity to consume on Troll Island is equal to 0.55. What is the change in Troll Island's real GDP after the increase in AE? Enter your answer in billions of dollars, rounded to one place after the decimal. For example, an answer of $2,500,000 should be entered as 2.5. $ billion

Economics For Today

10th Edition

ISBN:9781337613040

Author:Tucker

Publisher:Tucker

Chapter19: The Keynesian Model In Action

Section: Chapter Questions

Problem 8SQ

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Assume the current equilibrium level of income is $200 billion as compared to the full-employment income level of $240 billion and that consumption is the only component of aggregate expenditures that depends upon the level of GDP. If the MPC is 5/8, what change in aggregate expenditures is needed to achieve full employment?
The following table shows consumption (C), investment spending (I), and government purchases (G), for some hypothetical economy at several levels of income (reported in billions of dollars of real GDP). Assume that in this economy, income is taxed at a rate of 25%, base consumption is $50 billion, and that the marginal propensity to consume (MPC) is 0.667, or 2/3. Further assume that this economy is closed, that is, there is no international trade and so net exports are always equal to zero. Use the given information to fill in disposable income, consumption, and planned expenditures in the following table. Income: Real GDP Disposable (After Tax) Income C Ip G Planned Expenditures (Billions of dollars) (Billions of dollars) (Billions of dollars) (Billions of dollars) (Billions of dollars) (Billions of dollars) 0 0 50 100 50 100 100 50 200 100 50 300 100 50 400 100 50 500 100 50…