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# 宏观经济学代写 Macroeconomics代写 Exam代写 考试助攻

474

## Exam

### I. Theoretical questions (5 points)

1. Consider equilibrium in the labour market. Describe the impact on it that results from the introduction of a wage income tax. Use graphs in your answer. (2.5 points)

2. Explain the Taylor rule. (2.5 points)

### II. Determination of the IS function (5 points)宏观经济学代写

Consider the information that is available regarding the goods and services market in an economy and where all variables are expressed in real terms:

C = 250 + 0.75 · YD 350 · r

I = 900 500 · r

G = 2500

T = 100 + 0.25Y

NX = 2400 150 · r

1. Determine the expression that rerepresents equilibrium of the goods and services market (IS function). Present its definition. (1.5 points)

2. Plot the IS function in the usual graph. (0.5 point)

3. Calculate the isolated effect on the IS of an increase in public spending by 500 units. Discuss the concept of Keynesian multiplier. (1.5 points)

4. Assume that r = 2%. Calculate the initial government budget balance and the one that is obtained after the increase in public spending. [Note: use integer values for the interest rate, that is, r = 2.] (1.5 points)

### III. Monetary market equilibrium (5 points)宏观经济学代写

Consider a monetary market where the nominal money supply equals 10, 000u.m. and the money demand function is given by:

1. Calculate equilibrium in the monetary market for Y = 80000 and P = 2 and represent it in a graph. Explain the configuration of the money demand function. (1.5 points)

2. Consider that output increases to Y = 90000. Calculate the new equilibrium and graph it in a new graph where you compare it with the previous result. Explain the results obtained and the shift(s) you considered in your function (s).(1.5 points)

3. In a graph, represent the action that the central bank may take so that the equilibrium in the monetary market can take place at the initial interest rate. Justify your answer. (1.0 points)

4. With the previous performance, what will be the Central Bank’s real goal? Justify your answer. (1.0 point)

### IV AD-AS with zero lower bound (5 points)宏观经济学代写

Consider a central bank that has reduced its nominal interest rate to zero, which is faced as a lower bound.

1. Represent the function that represents the monetary policy rule (MP) for this Central Bank. Explain its configuration. (1.0 point)

2. Represent the AD function that results from the monetary policy rule followed by the Central Bank. Explain the configuration of the AD function.(1.0 point)

3. Consider the complete model with the short-run and long-run aggregate supply function and the AD function represented in the previous part. Use graphs to explain why the economy’s self-correction mechanism doesn’t work. Justify your answer. (1.5 points)

4. Explain how unconventional monetary policy can lead the economy to a short and long-run equilibrium. Use graphs in your answer.(1.5 points)

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