Question 1

Consider the overlapping generations model where each member lives for two time periods 't' and (t+1). Assume that individuals work in time period 't' and earn wage income, while they do not work in time period (t+1) and survive on interest income. Explain the impact of an increase in interest rate

Accepted Answer

In the overlapping generations (OLG) model, individuals live for two periods: young (period 't') and old (period 't+1'). During period 't', they work and earn a wage income, `W`, part of which they consume (`c₁`) and part they save (`s`). In period 't+1', they retire and consume (`c₂`) using their accumulated savings plus interest.

This setup necessitates intertemporal decision-making, where individuals allocate their lifetime resources across the two periods to maximize utility. The budget con

Question 2

Explain the optimal conditions of the household equilibrium in the Ramsey - Cass -Koopmans model. Derive relevant equations and use appropriate diagrams.

Accepted Answer

In the Ramsey-Cass-Koopmans (RCK) model, the household's equilibrium is determined by its intertemporal optimization problem. The household aims to maximize its lifetime utility from consumption, subject to an intertemporal budget constraint. This involves making optimal decisions about how much to consume today versus how much to save (or dissave) to finance future consumption.

**Household's Optimization Problem**

The representative household in the RCK model seeks to maximize its discounted

Question 3

In an open economy with fixed exchange rate, the government does not have autonomy in monetary policy. Do you agree with this statement? Justify your answer.

Accepted Answer

I agree with the statement that in an open economy with a fixed exchange rate, the government (or more specifically, the central bank) does not have autonomy in monetary policy. This fundamental macroeconomic principle is explained by the concept known as the 'Impossible Trinity' or 'Trilemma' in international finance, which is a core concept in MEC-102 for understanding open economy macroeconomics.

The Impossible Trinity states that a country cannot simultaneously achieve all three objectives

Question 4

What does the Phillips curve signify? How do you reconcile the difference in the shape of the curve in the short run and the long run?

Accepted Answer

The Phillips curve, initially observed by A.W. Phillips, signifies an inverse relationship between the rate of unemployment and the rate of inflation in an economy. It suggests that policymakers face a trade-off: to achieve lower unemployment, they must tolerate higher inflation, and vice-versa.

This original observation primarily described a short-run phenomenon. It implied that aggregate demand management policies, such as fiscal or monetary expansion, could move the economy along this curve

Question 5

Critically examine the relevance and implications of policy ineffectiveness theorem.

Accepted Answer

The Policy Ineffectiveness Theorem (PIT), primarily associated with New Classical Economics and figures like Thomas Sargent and Neil Wallace, posits that systematic and anticipated monetary or fiscal policy changes cannot affect real economic variables like output and employment. This theorem emerged from the rational expectations revolution, challenging the traditional Keynesian view that discretionary demand management policies could stabilize the economy.

Its core argument is that economic a

Question 6

Bring out the salient features of the life cycle hypothesis. What are its implications?

Accepted Answer

The Life Cycle Hypothesis (LCH), developed by Franco Modigliani, Albert Ando, and Richard Brumberg, posits that individuals plan their consumption and saving behavior over their entire lifetime rather than just based on current income. The primary goal is to achieve a stable and smooth pattern of consumption throughout different stages of life, even if income fluctuates.

One of the salient features of the LCH is the concept of intertemporal utility maximization, where individuals aim to maximi

Question 7

Write short notes on the following:

Accepted Answer

Business cycles represent recurring, though not periodic, fluctuations in aggregate economic activity, characterized by alternating phases of expansion and contraction. Dating these cycles involves precisely identifying the turning points, namely peaks and troughs, which is crucial for economic analysis and policy formulation. Central banks, like the Reserve Bank of India (RBI), categorize the total stock of money circulating in an economy using various measures of money supply. These measures,

MEC-102 Solved Assignment — January 2026 / July 2025

MACROECONOMIC ANALYSIS | IGNOU Master of Arts (Political Science) (MA)

MEC-102—January 2026 / July 2025

MACROECONOMIC ANALYSIS

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MEC-102 Assignment Questions — January 2026

Q2. Explain the optimal conditions of the household equilibrium in the Ramsey - Cass -Koopmans model. Derive relevant equations and use appropriate diagrams.

Q3. In an open economy with fixed exchange rate, the government does not have autonomy in monetary policy. Do you agree with this statement? Justify your answer.

Q4. What does the Phillips curve signify? How do you reconcile the difference in the shape of the curve in the short run and the long run?

Q5. Critically examine the relevance and implications of policy ineffectiveness theorem.

Q6. Bring out the salient features of the life cycle hypothesis. What are its implications?

Q7. Write short notes on the following:

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