Ch-1; Circular Flow of Income; Macroeconomics

Class-12, Macroeconomics, Ch-1, Circular Flow of Income, Full Chapter in Book Language

Which economist is regarded as the father of modern Macroeconomics?

Lord J. M. Keynes (British economist), who published his book “The General Theory of Employment, Interest, and Money” in 1936.

Define Macroeconomics.

Macroeconomics is that part of economic theory which studies the behaviour of aggregates of the economy as a whole.

Why was there a need for a separate theory of Macroeconomics?

1. <b>Microeconomics</b> failed to study the aggregates of the economy as a whole.<br>2. As a result, there was a need for a separate theory which could explain the <b>working of the economy</b>.<br>3. Macroeconomics helps us to understand the working of an economic system as well as explain the various <b>macroeconomic paradoxes</b>.

What are the factors of production?

1. Land

2. Labour

3. Capital

4. Enterprise

What are the factor incomes?

1. Rent

2. Wages

3. Interest

4. Profit

Define Circular Flow of Income.

Circular flow of income refers to the cycle of generation of income in the production process, its distribution among the factors of production, and finally its circulation from household to firms in the form of consumer expenditure on goods and services produced by them.

What are the phases of Circular Flow of Income?

1. <b>Generation Phase (Production Phase)</b><br>2. <b>Distribution Phase (Income Phase)</b><br>3. <b>Disposition Phase (Expenditure Phase)</b>

Give details about the Generation Phase (Production Phase).

In the Generation Phase (Production Phase), firms produce goods and services with the help of factor services.

Give details about the Distribution Phase (Income Phase).

In the <b>Distribution Phase (Income Phase)</b>, <b>factor income</b> (rent, wages, interest and profit) flows from <b>firms to households</b>.

Delve into the Disposition Phase (Expenditure Phase).

In the Disposition Phase (Expenditure Phase), the income received by the factors of production is spent on the goods and services produced by the firms.

Define Stock Variable.

Stock variable refers to that variable which is measured at a particular point of time.
It means stock variables are not time-dimensional.

Define Flow Variable.

Flow variable refers to that variable which is measured over a period of time.
The period may be a day, week, year, etc.
It means flow variables are time-dimensional.

What is the relationship between stock and flow?

Stock and flow are mutually dependent.
For example, the flow of water into a tank increases the stock of water, while the flow out of the tank depends upon the stock of water available.

What are the types of Circular Flow?

1. Real Flow

2. Money Flow

Define Real Flow.

Real flow refers to the flow of factor services from households to firms and the corresponding flow of goods and services from firms to households.

Give 3–4 points about Real Flow.

1. It is also known as Physical Flow.

2. There is only exchange of goods and services between the two sectors without any involvement of money.

3. It determines the magnitude of the growth process in an economy.

Define Money Flow.

Money flow refers to the flow of factor payments from firms to households for their factor services and the corresponding flow of consumption expenditure from households to firms for the purchase of goods and services.

Give 2–3 points about Money Flow.

1. It is also known as Nominal Flow.

2. It involves an exchange of money between the two sectors.

What are the four sectors of an economy?

1. Household Sector

2. Producing Sector (Firms)

3. Government Sector

4. Foreign Sector (External Sector / Rest of the World Sector)

Delve into the Household Sector.

1. It includes consumers of goods and services and the owners of factors of production.

2. They supply factors like land, labour, capital and entrepreneur.

3. They receive income in the form of rent, wages, interest and profit respectively.

Give details about the Producing Sector (Firms).

1. It includes all producing firms in an economy.

2. Firms produce goods and services.

3. They hire factors of production from the household sector.

Explain the Government Sector.

1. It acts in two capacities.

2. As a welfare agency, it maintains law and order, defence and other public welfare services.

3. As a producer, it provides goods and services through public sector enterprises.

Explain the Foreign Sector.

1. It includes transactions with the rest of the world.

2. It is involved in the export and import of goods.

3. It also deals with the flow of capital between the domestic economy and the rest of the world.

What is a Simple Economy?

Simple economy refers to a two-sector economy consisting of only the household sector and firms.
It is the simplest form of a closed economy as there is no government sector or foreign sector.

Define Closed Economy.

Closed economy is an economy which has no economic relation with the rest of the world.
It consists of Household Sector, Producing Sector (Firms), and Government Sector.

Define Open Economy.

Open economy is an economy which has economic relations with the rest of the world.
It consists of Household Sector, Producing Sector (Firms), Government Sector, and Foreign Sector.

What are the assumptions of Circular Flow in a Two-Sector Economy?

1. There are only two sectors — Household and Firms.

2. Households supply factor services only to firms, and firms hire factor services only from households.

3. Firms produce goods and services and sell their entire output to households.

4. Households spend their entire income on consumption of goods and services.

5. There are no savings in the economy by either households or firms.

Explain the Real Flow in a Two-Sector Economy.

Real flow is shown by the outer loop.
1. Households provide factor services (Land, Labour, Capital, Enterprise) to firms.
2. Firms provide goods and services to households.

Explain the Money Flow in a Two-Sector Economy.

Money flow is shown by the inner loop.
1. Firms make factor payments to households.
2. Households make consumption expenditure on goods and services produced by firms.

Why is the flow of income circular?

Production generates factor income, which is converted into consumption expenditure.
Since production is a continuous activity due to never-ending human wants, the flow of income becomes circular.

Give conclusions of Circular Flow in a Simple Economy.

1. Total production of goods and services by firms = Total consumption by households.
2. Factor payments by firms = Factor incomes of households.
3. Consumption expenditure by households = Factor income of households.
4. Real flow of factor services and final goods & services = Money flow between firms and households.

Differentiate between Microeconomics and Macroeconomics.

1. Meaning
Microeconomics → Part of economic theory which studies the behaviour of individual units of an economy.
Macroeconomics → Part of economic theory which studies the behaviour of aggregates of the economy as a whole.

2. Tools
Microeconomics → Demand and Supply.
Macroeconomics → Aggregate Demand and Aggregate Supply.

3. Basic Objective
Microeconomics → Determines the price of a commodity or factors of production.
Macroeconomics → Determines the income and employment level of the economy.

4. Degree of Aggregation
Microeconomics → Involves a limited degree of aggregation.
Macroeconomics → Involves the highest degree of aggregation.

5. Basic Assumption
Microeconomics → Assumes macro variables (national income, consumption and savings) are constant.
Macroeconomics → Assumes micro variables (decisions of households, firms and prices of individual products) are constant.

6. Other Name
Microeconomics → Price Theory.
Macroeconomics → Income and Employment Theory.

7. Example
Microeconomics → Individual Income, Individual Output.
Macroeconomics → National Income, National Output.

Differentiate between Stock and Flow.

1. Meaning
Stock → refers to that variable which is measured at a particular point of time.
Flow → refers to that variable which is measured over a period of time.

2. Time Dimension
Stock → Not time-dimensional.
Flow → Time-dimensional.

3. Nature of Concept
Stock → Static concept.
Flow → Dynamic concept.

4. Example
Stock → Quantity of wheat stored.
Flow → Quantity of wheat produced.

Differentiate between Real Flow and Money Flow.

1. Meaning
Real Flow → Flow of factor services from households to firms and the corresponding flow of goods and services from firms to households.
Money Flow → Flow of factor payments from firms to households and the corresponding flow of consumption expenditure from households to firms.

2. Kind of Exchange
Real Flow → Involves exchange of goods and services.
Money Flow → Involves exchange of money.

3. Difficulty in Exchange
Real Flow → There may be difficulties of barter system in exchange of goods and services.
Money Flow → There is no difficulty in case of money flow.

4. Alternative Name
Real Flow → Physical Flow.
Money Flow → Nominal Flow.