20. The marginal propensity to consume represents
(A) total income minus total taxes.
(B) the change in output caused by a oneunit change in autonomous deman
(D)
(C) the change in consumption caused by a oneunit change in disposable income.
(D) the level of consumption that occurs if disposable income is zero.
e. the ratio of total consumption to disposable income.

21. In 2015, John earned $40,000 at his job at an accounting firm. This year, he receives a $2,000 increase in his salary. If the annual inflation rate for 2016 is 0.4%, the percentage increase in his real income is: (A) \(5.4\%\) (B) \(4.6\%\) (C) \(2.0\%\) (D) \(1.4\%\)

22. Ellen purchased a house in 1980 for which she borrowed $100,000 at 30year fixed rate. As the inflation rate unexpectedly dropped in the mid1980s, (A) Ellen experienced a loss and her mortgage company experienced a gain (B) Ellen experienced a gain and her mortgage company experienced a loss (C) Both Ellen and her mortgage company experienced a loss (D) Both Ellen and her mortgage company experienced a gain

23. The Fisher Hypothesis states that: (A) the changes in the nominal interest rate follow changes in the expected inflation rate (B) the real interest rate changes frequently (C) the expected inflation rate changes more frequently than the real interest rate (D) both (B) and (C) above e. both (A) and (C) above f. none of the above

24. In spite of increases in the level of activity after a recession is over, the unemployment rate may (A) increase as the discouraged workers leave the workforce (B) decrease as the discouraged workers enter the workforce (C) increase as the discouraged workers enter the workforce (D) none of the above

25. The inflation rate in the Consumer Price Index is typically (A) a "countercyclical" and a "lagging" variable (B) a "procyclical" and a "lagging" variable (C) a "countercyclical" and a "leading" variable (D) a "procyclical" and a "leading" variable e. none of the above

26. A commercial bank has $80 million in loans and $10 million in excess reserves. The required reserve ratio is 10%. The total deposits of this bank are (A) $90 million (B) $100 million (C) $110 million (D) $900 million Question 2728 pertain to the following scenario: The economy of Argentina is facing a possible inflationary period and the Central Bank of Argentina (CBA) conducts monetary policy to prevent the inflation rate from rising.

27. What should be CBA's open market operations and what would be the expected result? (A) Purchase the government securities. Fall in the interest rate. (B) Sell the government securities. Fall in the interest rate. (C) Purchase the government securities. Rise in the interest rate. (D) Sell the government securities. Rise in the interest rate.

28. The monetary policy of CBA to fix the economy of Argentina in the short run should (A) shift the aggregate supply curve to the right (B) shift the aggregate demand curve to the left (C) represents a movement to the left along the aggregate demand curve (D) represents a movement to the right along the aggregate supply curve e. none of the above

29. A firm can borrow from its bank at 10% per year. It determines that the return on investment (ROI) on a new machine is also 10%. The firm's decision to buy the new machine seems ______ now. If the central bank next week announces that it is buying large amount of government bonds in an open market operation, it seems more likely that the firm will decide to ______. (A) positive/not buy (B) uncertain/not buy (C) negative/not buy (D) uncertain/buy e. positive/buy

30. Long term economic growth is necessarily accompanied by a rise in (A) the allocation of resources (B) Inflation (C) the productivity of labor (D) transfer payments e. interest rates

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