PRINCIPLES OF MACROECONOMICS (LL)W/ACC.
PRINCIPLES OF MACROECONOMICS (LL)W/ACC.
7th Edition
ISBN: 9781264088980
Author: Frank
Publisher: MCG
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Chapter 13, Problem 5RQ
To determine

Diagrammatic representation of the consumption function and explain the economic meaning of movement from left to right and a parallel upward shift of the consumption function.

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12. Savings decisions Kevin is a postdoctoral fellow who teaches astrophysics at a university where he earns an annual salary of $80,000. He intends to take the next year off to focus on writing a new undergraduate physics textbook, so he will not earn any income next year. He is currently deciding how much of this year's salary he should save for next year. Assume that there are no tax implications associated with the decision, and ignore what happens after next year. Therefore, next year Kevin will consume whatever he saves this year plus interest, and he is not concerned with the future beyond next year. The following graph shows Kevin's preferences for consumption this year and next year. Suppose initially Kevin cannot earn interest on the money he saves. Use the green line (triangle symbol) to plot Kevin's budget constraint (BC) on the following graph. Then use the black point (plus symbol) to show his optimum consumption bundle. Note: Dashed drop lines will automatically extend…
Consider a closed economy with a gross domestic product (Y) of 800, consumption expenditure (C) of 500, government expenditure (G) of 100 and tax revenues (T) of 190. The figures are in billions of dollars. Suppose the investment expenditure function is I = 300 – 50r, where r is the real interest rate expressed as a percentage. a) State the equation between Y and the three components of expenditure. b) Calculate private saving (Sp), public saving (Sg), and national saving (S). c) Calculate investment (I). d) Calculate the equilibrium real interest rate and quantity of loanable funds. e) If the government ran a budget deficit of $30 billion in the next period, explain how this would affect the market for loanable funds.
Suppose that a new free trade agreement allows the economy to import cheaper goods from overseas, thereby decreasing the general price level. Adjust the following graph by either shifting the consumption function curve or the initial point on the consumption function curve (A) to illustrate the impact of a fall in the price level.
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