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MBA,PHD, Juris Doctor
Strayer,Devery,Harvard University
Mar-1995 - Mar-2002
Manager Planning
WalMart
Mar-2001 - Feb-2009
Assume the model: And pay attention to the model in answering the questions
Y = C + I + G + X - M C = a + b Yd where a > 0 and 0 < b < 1 I = f (i) but I ≠ f (Y) ie, MPI = 0 G = Go Ms = Mso Ms = money supply/stock Tx = Txo ……..meaning that Tx ≠ f ( Y ) Md = Mt(Y)+ Ml(i) [Mt = transactions demand; Ml = liquidity preference demand] X = Xo X = exports M = Mo + mY where Mo is autonomous imports, and m is the marginal propensity to import
In each of the following cases, indicate the effect of the given autonomous change (or policy measure) on each of the listed variables. In each case indicate whether the listed variable increases in value, decreases, or does not change.
Note: Answer beside the listed variable. For example, if in I an increase in the money supply does not bring about a change interest rates, write “does not change” beside “interest rates” at I, 1. And if an increase in the money supply causes a decrease in the level of income, write “decreases” beside “level of income” at I, 2
I. An increase in the money supply: 1. Interest rates 2. Level of income 3. Imports 4. Investment 5. Government spending
II. A decrease in the public’s liquidity preference: 6. Level of income 7. Investment 8. Saving 9. Consumption 10. Exports
III. An increase in the marginal propensity to import: 11. Income 12. Amount of money demanded for transactions purposes 13. Bond prices 14. Saving 15. Investment 16. Consumption 17. Money supply 18. Exports
IV. An increase in exports: 19. Income 20. Interest rates 21. Imports 22. Money supply
V. A simultaneous and equal increase in taxes and government spending: 23. Level of income 24. Interest rates 25. Investment
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