Goods :In economics a goods is defined as any physical object, manmade, that could command a price in the market and these are the materials that satisfy human wants and provide utility
Consumption Goods : Those final goods which satisfy human wants directly. ex- ice-cream and milk used by the households.
Capital Goods :Those final goods which help in production. These goods are used for generating income. These goods are fixed assets of the producers.ex- plant and machinery.
Final Goods are those goods which are used either for final consumption or for investment.
Intermediate Goods refers to those goods and services which are used as a raw material for further production or for resale in the same year.
These goods do not fulfill needs of mankind directly.
Investment :Addition made to the physical stock of capital during a period of time is called investment. It is also called capital formation.
capital formation:- Change in the stock of capital is also called capital formation.
Depreciation :means fall in value of fixed capital goods due to normal wear and tear and expected obsolescence. It is also called consumption of fixed capital.
Gross Investment :Total addition made to physical stock of capital during a period of time. It includes depreciation. OR Net Investment + Depreciation
Net Investment :Net addition made to the real stock of capital during a period of time. It excludes depreciation.
Net Investment = Gross investment – Depreciation.
Stocks :Variables whose magnitude is measured at a particular point of time are called stock variables. Eg. National Wealth, Inventory etc.
Flows :Variables whose magnitude is measured over a period of time are called flow variable. Eg. National income, change in stock etc.
Circular flow of income :It refers to continuous flow of goods and services and money income among different sectors in the economy. It is circular in nature. It has neither any end and nor any beginning point. It helps to know the functioning of the economy.
Leakage :It is the amount of money which is withdrawn from circular flow of income. For eg. Taxes, Savings and Import. It reduces aggregate demand and the level of income.
Injection :It is the amount of money which is added to the circular flow of income. For e.g. Govt. Exp., investment and exports. It increases the aggregate demand and the level of income.
Economic Territory :Economic (or domestic) Territory is the geographical territory administrated by a Government within which persons, goods, and capital circulate freely.
Scope of Economic Territory :
(a) Political frontiers including territorial waters and airspace.
(b) Embassies, consulates, military bases etc. located abroad.
(c) Ships and aircraft operated by the residents between two or more countries.
(d) Fishing vessels, oil and natural gas rigs operated by residents in the international waters.
Normal Resident of a country: is a person or an institution who normally resides in a country and whose Centre of economic interest lies in that country.
Exceptions:- (a) Diplomats and officials of foreign embassy.
(b) Commercial travellers, tourists students etc.
(c) People working in international organizations like WHO, IMF, UNESCO etc. are treated as normal residents of the country to which they belong.
The related aggregates of national income are:-
(i) Gross Domestic Product at Market price (GDPMP)
(ii) Gross Domestic Product at Factor Cost (GDPFC)
(iii) Net Domestic Product at Market Price (NDPMP)
(iv) Net Domestic Product at FC or (NDPFC)
(v) Net National Product at FC or National Income (NNPFC)
(vi) Gross National Product at FC (GNPFC)
(vii) Net National. Product at MP (NNPMP)
(viii) Gross National Product at MP (GNPMP)
(i) Gross Domestic Product at Market Price : It is the money value of all the
final goods and services produced within the domestic territory of a country
during an accounting year.
GDPMP = Net domestic product at FC (NDPFC) + Depreciation + Net
(ii) Gross Domestic Product at FC : It is the value of all final goods and services
produced within domestic territory of a country which does not include net
GDPFC = GDPMP – Indirect tax + Subsidy
or GDPFC = GDPMP – NIT
(iii) Net Domestic Product at Market Price : It is the money value of all final
goods and services produced within domestic territory of a country during an
accounting year and does not include depreciation.
NDPMP = GDPMP – Depreciation
(iv) Net Domestic Product at FC : It is the value of all final goods and services
which does not include depreciation charges and net indirect tax. Thus it is
equal to the sum of all factor incomes (compensation of employees, rent,
interest, profit and mixed income of self employed) generated in the domestic
territory of the country.
NDPFC = GDPMP – Depreciation – Indirect tax + Subsidy
(v) Net National Product at FC (National Income) : It is the sum total of factor
incomes (compensation of employees + rent + interest + profit) earned by
normal residents of a country in an accounting year
NNPFC = NDPFC + Factor income earned by normal residents from abroad –
factor payments made to abroad.
(vi) Gross National Product at FC: It is the sum total of factor incomes earned
by normal residents of a country along with depreciation, during an accounting
GNPFC = NNPFC + Depreciation OR
GNPFC = GDPFC + NFIA
(vii) Net National Product at MP : It is the sum total of factor incomes earned by
the normal residents of a country during an accounting year including net
NNPMP = NNPFC + Indirect tax – Subsidy
(viii) Gross National Product at MP : It is the sum total of factor incomes earned
by normal residents of a country during an accounting year including
depreciation and net indirect taxes.
GNPMP = NNPFC + Dep + NIT
Gross domestic Product at Market Price
Net Domestic Product at Market Price
Gross National Product at Market Price
Methods of Estimation of National Income:
National Income at Current Prices : It is also called nominal National income. When goods and services produced by normal residents within and outside of a country in a year valued at current years prices i.e. current prices is called national income at current prices.
Y = Q x P
Y = National income at current prices
Q = Quantity of goods and services produced during an accounting year
P = Prices of goods and services prevailing during the current accounting year
National Income at Constant Prices :It is also called as real national income. When goods and services produced by normal residents within and outside of a country in a year valued at constant price i.e. base year’s price is called National Income at Constant Prices.
Y’ = Q x P’
Y’ = National income at constant prices
Q = Quantity of goods and services produced during an accounting year
P’ = Prices of goods and services prevailing during the base year
Value of Output :Market value of all goods and services produced by an enterprise during an accounting year.
Value added :It is the difference between value of output of a firm and value of inputs bought from the other firms during a particular period of time.
Problem of Double Counting :Counting the value of a commodity more than once while estimating national income is called double counting. It leads to overestimation of national income. So, it is called problem of double counting.
Ways to solve the problem of double counting.
(a) By taking the value of only final goods.
(b) By value added method.
1. Value Added by Primary Sector(=VO-IC)
2. Value Added by Secondary Sector(=VO-IC)
3. Value Added by Tertiary Sectors(=VO-IC)
VO=Value of output
VO=Price X quantity OR
Sales + Change in stock
(Change in stock = Closing Stock – Opening Stock)
Components of Final Expenditure:
1. Final Consumption Expenditure
a. Private Final Consumption Expenditure(C)
b. Government Final Consumption Expenditure(G)
2. Gross Domestic Capital Formation
a. Gross Domestic Fixed Capital Formation
i. Gross business Fixed Investment
ii. Gross Residential Construction Investment
iii. Gross public Investment
b. Change in Stock or Inventory Investment
3. Net Export(X-M)
Components of Domestic Income :
1. Compensation of Employees
a. Wages and salaries(Cash/or kinds)
b. Employers Contribution of Social security Schemes
2. Operating surplus
i. Corporate Tax
iii. Undistributed corporate profit
3. Mixed Income for self-Employed person
Net Factor Income from Abroad NFIA = It is difference between factor income received/earned by normal residents of a country and factor income paid to non-residents of the country.
Components of NFIA :
1. Net Compensation of Employees
2. Net Income from Property and entrepreneurship
3. Net Retained earning of resident companies abroad
Hints :NFIA : Net Factor Income Earned from Abroad.
NFIA = Factor Income Received from Abroad.
–Factor Income Paid to Abroad.
NFIA = Net compensation of Employees
+ Net income from property and entrepreneurship.
+ Net retained earning of resident companies abroad.
Net National Disposable Income (NNDI): It is defined as net national product at Market price
NNDI = NNPMP
+ Net current transfers from rest of the world.
=National income + net indirect tax + net current transfers from the rest of the world.
Gross National Disposable Income (Gross NDI
Net National Disposable Income (Net NDI)
= Gross NDI – Depreciation.
Concept of Value Added of One Sector or One Firm
1. Value output = Sales + Change in Stock. or value of output = price × qty. sold + ΔS.
2. Gross value added at market price
3. Net value added at market price
4. Net value added at factor cost
Note: By adding up
Personal Disposable Income from National Income
Private Income :Private income is estimated income of factor and transfer incomes from all sources to private sector within and outside the country.
Personal Income :It refers to income received by house hold from all sources. It includes factor income and transfer income.
Personal Disposable Income :It is that part of Personal income which is available to the households for disposal as they like.
GDP and Welfare :
In general GDP and Welfare are directly related with each other. A higher GDP implies that more production of goods and services. It means more availability of goods and services. But more goods and services may not necessarily indicate that the people were better off during the year. In other words, a higher GDP may not necessarily mean higher welfare of the people. There are two types of GDP:
Real GDP : When the goods and services are produced by all producing units in the domestic territory of a country during an a/c. year and valued these at base year’s prices or constant price, it is called real GDP or GDP at constant prices. It changes only by change in physical output not by change price level. It is called a true indicator of economic development.
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