Homework Answers
4.
Ans:
We have phillips curve:
At natural level of unemployment, actual inflation = expected inflation.
So, we have:
Natural level of unemployment:
To convert phillips curve in terms of deviation of unemployment rate from natural rate, we divide whole equation by alpha:
Variation in natural level of unemployment:
Natural level of unemployment:
- As markup m rises, natural level of unemployment rate rises.
- As z catchall term rises, natural level of unemployment rate rises.
3. Suppose that the Phillips curve is given by: It = TE + a - but,...
3. Suppose that the Phillips curve is given by: It = TE + a - but, where is the inflation rate, Ti is the expected inflation, ut is the rate of unemployment and, a and b are two positive parameters. Suppose that a fraction 1 € (0,1) of wage contracts are indexed to inflation and Ti = litt + (1 - 1) Tt-1. (a) Derive the new equation for the Phillips curve. [2 marks] (b) Derive an algebraic expression for...
Question 6 For this question, assume that the Phillips curve equation is represented by the following...
Question 6 For this question, assume that the Phillips curve equation is represented by the following equation: m,- -1 = (m + Z)-aut . Which of the following will cause a reduction in the natural rate of unemployment? an increase in m an increase in expected inflation O an increase in z an increase in actual inflation O an increase in α Question 7 1 pts For this question, assume that the Phillips curve equation is represented by the following...
1. Inflation and unemployment. Suppose that the Phillips curve is given by: TI= +0.1 - 2ut...
1. Inflation and unemployment. Suppose that the Phillips curve is given by: TI= +0.1 - 2ut where = 077-1. Also, suppose that is initially equal to zero. (a) What is the natural rate of unemployment? Suppose that the rate of unemployment is initially equal to the natural rate. In year t, the authorities decide to bring the unemployment rate down to 3% and hold it there forever. (b) Determine the rate of inflation in years t, t+1, t +2, +...
a. Given the original Phillips curve, why is there a negative relation between inflation and the...
a. Given the original Phillips curve, why is there a negative relation between inflation and the unemployment rate? State the two reasons why the original Phillips curve vanished. b. Define the natural rate of unemployment and list down its determinants. What happens to inflation when unemployment is greater than the natural rate of unemployment? When unemployment is lower than the natural rate of unemployment?
3. Discuss the relationship between the natural rate of unemployment, Un, and the Phillips curve, 1lt...
3. Discuss the relationship between the natural rate of unemployment, Un, and the Phillips curve, 1lt – itt-1 = -a(ut – Un); and explain why the natural rate of unemployment is also known as the non-accelerating inflation rate of unemployment (NAIRU). Hints: The central assumption used to derive the Phillips curve, Tet – 1lt-1 = -a(Ut – Un), was that tę = Tt-1, where tę represents expected inflation. What does this mean? Assume that Ut = Un. What happens to...
Please help with questions 1e,1f, and 1g. You can disregard the first 4 questions. Problem 1:...
Please help with questions
1e,1f, and 1g. You can disregard the first 4 questions.
Problem 1: Phillips Curve Part 11 (20pts) Recall that we derived the Phillips Relation from the Labor Market Equilibrium as follows: It = T + (m+z) – aut Answer the following questions: 1a. (3pt) Before 1960, inflation was positive in some years and negative in others; on average, it was around zero. What is a reasonable expectation formation for inflation in this period? 1b. (3pt) Combine...
i only need question 5, thanks 4. Suppose that the Phillips curve is given by TT,...
i
only need question 5, thanks
4. Suppose that the Phillips curve is given by TT, = 1 + 0.1 - 2u a. What is the natural rate of unemployment? Assume that expected inflation is given by m = (1 - 0) +010-1 And suppose that is initially equal to zero and it is given and does not change. It could be zero or any positive value. Suppose that the rate of unemployment is initially equal to the natural rate....
8. The Phillips curve is based on the observed negative relation between the rate of inflation and the unemployment rate. That is, decreases in the unemployment rate tend to be associated with in...
8. The Phillips curve is based on the observed negative relation between the rate of inflation and the unemployment rate. That is, decreases in the unemployment rate tend to be associated with increases in the rate of inflation a) Given what you know about the relation between the unemployment rate and the GDP gap, restate the Phillips curve in terms of inflation and the GDP gap. b) Based on the AD-IE model, and given your answer in (a), explain why...
Problem 3.(36 points) Suppose the natural rate of unemployment equals 5%, and the Phillips curve is given by πt = πte −...
Problem 3.(36 points) Suppose the natural rate of unemployment equals 5%, and the Phillips curve is given by πt = πte − 0.25(ut − u∗t ). Suppose originally the economy is in the long run equilibrium, in which πte = 4%. 1. Determine unemployment and inflation rates corresponding to the original equilibrium. 2. Draw the Philips curve diagram with SRPC and LRPC. Mark the original long run equilibrium. 3. Suppose now the central bank performs a monetary expansion and raises...
1. Is the Phillips curve a myth? Intertemporal tradeoff between inflation and unemployment After the World...
1. Is the Phillips curve a myth? Intertemporal tradeoff between inflation and unemployment After the World War II, empirical economists noticed that, in many advanced economies, as unemployment fell, inflation tended to rise, and vice versa. The inverse relationship between unemployment and Inflation, was depicted as the Phillips curve, after William Phillips of the London School of Economics. In the 1950s and 1960s, the Phillips curve convinced many policy makers that they could use the relationship to pick acceptable levels...
3. Suppose that the Phillips curve is given by: It = TE + a - but, where is the inflation rate, Ti is the expected inflation, ut is the rate of unemployment and, a and b are two positive parameters. Suppose that a fraction 1 € (0,1) of wage contracts are indexed to inflation and Ti = litt + (1 - 1) Tt-1. (a) Derive the new equation for the Phillips curve. [2 marks] (b) Derive an algebraic expression for...
Question 6 For this question, assume that the Phillips curve equation is represented by the following equation: m,- -1 = (m + Z)-aut . Which of the following will cause a reduction in the natural rate of unemployment? an increase in m an increase in expected inflation O an increase in z an increase in actual inflation O an increase in α Question 7 1 pts For this question, assume that the Phillips curve equation is represented by the following...
1. Inflation and unemployment. Suppose that the Phillips curve is given by: TI= +0.1 - 2ut where = 077-1. Also, suppose that is initially equal to zero. (a) What is the natural rate of unemployment? Suppose that the rate of unemployment is initially equal to the natural rate. In year t, the authorities decide to bring the unemployment rate down to 3% and hold it there forever. (b) Determine the rate of inflation in years t, t+1, t +2, +...
3. Discuss the relationship between the natural rate of unemployment, Un, and the Phillips curve, 1lt – itt-1 = -a(ut – Un); and explain why the natural rate of unemployment is also known as the non-accelerating inflation rate of unemployment (NAIRU). Hints: The central assumption used to derive the Phillips curve, Tet – 1lt-1 = -a(Ut – Un), was that tę = Tt-1, where tę represents expected inflation. What does this mean? Assume that Ut = Un. What happens to...
Please help with questions
1e,1f, and 1g. You can disregard the first 4 questions.
Problem 1: Phillips Curve Part 11 (20pts) Recall that we derived the Phillips Relation from the Labor Market Equilibrium as follows: It = T + (m+z) – aut Answer the following questions: 1a. (3pt) Before 1960, inflation was positive in some years and negative in others; on average, it was around zero. What is a reasonable expectation formation for inflation in this period? 1b. (3pt) Combine...
i
only need question 5, thanks
4. Suppose that the Phillips curve is given by TT, = 1 + 0.1 - 2u a. What is the natural rate of unemployment? Assume that expected inflation is given by m = (1 - 0) +010-1 And suppose that is initially equal to zero and it is given and does not change. It could be zero or any positive value. Suppose that the rate of unemployment is initially equal to the natural rate....
8. The Phillips curve is based on the observed negative relation between the rate of inflation and the unemployment rate. That is, decreases in the unemployment rate tend to be associated with increases in the rate of inflation a) Given what you know about the relation between the unemployment rate and the GDP gap, restate the Phillips curve in terms of inflation and the GDP gap. b) Based on the AD-IE model, and given your answer in (a), explain why...
1. Is the Phillips curve a myth? Intertemporal tradeoff between inflation and unemployment After the World War II, empirical economists noticed that, in many advanced economies, as unemployment fell, inflation tended to rise, and vice versa. The inverse relationship between unemployment and Inflation, was depicted as the Phillips curve, after William Phillips of the London School of Economics. In the 1950s and 1960s, the Phillips curve convinced many policy makers that they could use the relationship to pick acceptable levels...
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