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Karnataka Class 12 Commerce Economics Nature And Scope Of Macro-Economics Notes

Karnataka Class 12 Commerce Economics Nature And Scope Of Macro-Economics Notes

Karnataka Class 12 Commerce Economics Nature And Scope Of Macro-Economics : The Karnataka State Open University established on 1st June 1996 vide Karnataka Govt. Notification No. ED 1 UOV 95 dated 12th February 1996 – KSOU Act 1992 is considered to be a reputed Open University amongest the open learning institutions in the country. Keeping in view the educational needs of our country, in general, and state in particular the policies and programmed have been geared to cater to the needy.

Karnataka Class 12 Commerce Economics Nature And Scope Of Macro-Economics Notes

Karnataka Class 12 Commerce Economics Nature And Scope Of Macro-Economics : Economics is the study of how people choose to use their resources, we must consider all of their possible resources, of which money is but one. In practice, resources can encompass everything from time to knowledge and property to tools. Because of this, economics helps illustrate how people interact within the market to realize their diverse goals.

Karnataka Class 12 Commerce Economics Nature And Scope Of Macro-Economics Notes

Karnataka Class 12 Commerce Economics Nature And Scope Of Macro-Economics : Macroeconomics is the branch of economics that studies the behavior and performance of an economy as a whole. It focuses on the aggregate changes in the economy such as unemployment, growth rate, gross domestic product and inflation. Macroeconomics analyzes all aggregate indicators and the microeconomic factors that influence the economy. Government and corporations use macroeconomic models to help in formulating of economic policies and strategies.

In contrast to microeconomics, macroeconomics considers similar questions but at a larger level. The study of macroeconomics deals with the sum total of the decisions made by individuals in a society or nation such as “how does a change in interest rates influence national savings?” It looks the way nations allocate its resources like labor, land, and capital. More information can be found in the article, What is Macroeconomics.

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Karnataka Class 12 Commerce Economics Nature And Scope Of Macro-Economics Notes

Karnataka Class 12 Commerce Economics Nature And Scope Of Macro-Economics : The term ‘macro’ was first used in economics by Ragner Frisch in 1933. But as a methodological approach to economic problems, it originated with the Mercantilists in the 16th and 17th centuries. They were concerned with the economic system as a whole.

In the 18th century, the Physiocrats adopted it in their Table Economies to show the ‘circulation of wealth’ (i.e., the net product) among the three classes represented by farmers, landowners and the sterile class. Malthus, Sismondi and Marx in the 19th century dealt with macroeconomic problems. Walras, Wicksell and Fisher were the modern contributors to the development of macroeconomic analysis before Keynes.

Nature of Macroeconomics:

1) Macroeconomics is the study of aggregates or averages covering the entire economy, such as total employment, national income, national output, total investment, total consumption, total savings, aggregate supply, aggregate demand, and general price level, wage level, and cost structure.

In other words, it is aggregative economics which examines the interrelations among the various aggregates, their determination and causes of fluctuations in them. Thus in the words of Professor Ackley, “Macroeconomics deals with economic affairs in the large, it concerns the overall dimensions of economic life. It looks at the total size and shape and functioning of the “elephant” of economic experience, rather than working of articulation or dimensions of the individual parts. It studies the character of the forest, independently of the trees which compose it.

2) Macroeconomics is also known as the theory of income and employment, or simply income analysis. It is concerned with the problems of unemployment, economic fluctuations, inflation or deflation, international trade and economic growth. It is the study of the causes of unemployment, and the various determinants of employment.

In the field of business cycles, it concerns itself with the effect of investment on total output, total income, and aggregate employment. In the monetary sphere, it studies the effect of the total quantity of money on the general price level.

In international trade, the problems of balance of payments and foreign aid fall within the purview of macroeconomic analysis. Above all, macroeconomic theory discusses the problems of determination of the total income of a country and causes of its fluctuations. Finally, it studies the factors that retard growth and those which bring the economy on the path of economic development.

The obverse of macroeconomics is microeconomics. Microeconomics is the study of the economic actions of individuals and small groups of individuals. The “study of particular firms, particular households, individual prices, wages, incomes, individual industries, particular commodities.” But macroeconomics “deals with aggregates of these quantities; not with individual incomes but with the national income, not with individual prices but with the price levels, not with individual output but with the national output.”

3) Microeconomics, according to Ackley, “deals with the division of total output among industries, products, and firms, and the allocation of resources among competing uses. It considers problems of income distribution. Its interest is in relative prices of particular goods and services.”

4) Macroeconomics, on the other hand, “concerns itself with such variables as the aggregate volume of the output of an economy, with the extent to which its resources are employed, with the size of the national income, with the ‘general price level’.”

Both microeconomics and macroeconomics involve the study of aggregates. But aggregation in microeconomics is different from that in macroeconomics. In microeconomics the interrelationships of individual households, individual firms and individual industries to each other deal with aggregation.

“The concept of ‘industry’, for example, aggregates numerous firms or even products. Consumer demand for shoes is an aggregate of the demands of many households, and the supply of shoes is an aggregate of the production of many firms.

The demand and supply of labour in a locality are clearly aggregate concepts.” “However, the aggregates of microeconomic theory,” according to Professor Bilas, “do not deal with the behaviour of the billions of dollars of consumer expenditures, business investments, and government expenditures. These are in the realm of microeconomics.”

Thus the scope of microeconomics to aggregates relates to the economy as a whole, “together with sub-aggregates which (a) cross product and industry lines (such as the total production of consumer goods, or total production of capital goods), and which (b) add up to an aggregate for the whole economy (as total production of consumer goods and of capital goods add up to total production of the economy; or as total wage income and property income add up to national income).” Thus microeconomics uses aggregates relating to individual households, firms and industries, while macroeconomics uses aggregates which relate them to the “economy wide total”.

Scope and Importance of Macroeconomics:

As a method of economic analysis macroeconomics is of much theoretical and practical importance.

(1) To Understand the Working of the Economy:

The study of macroeconomic variables is indispensable for understanding the working of the economy. Our main economic problems are related to the behaviour of total income, output, employment and the general price level in the economy.

These variables are statistically measurable, thereby facilitating the possibilities of analysing the effects on the functioning of the economy. As Tinbergen observes, macroeconomic concepts help in “making the elimination process understandable and transparent”. For instance, one may not agree on the best method of measuring different prices, but the general price level is helpful in understanding the nature of the economy.

(2) In Economic Policies:

Macroeconomics is extremely useful from the point of view of economic policy. Modern governments, especially of the underdeveloped economies, are confronted with innumerable national problems. They are the problems of overpopulation, inflation, balance of payments, general underproduction, etc.

The main responsibility of these governments rests in the regulation and control of overpopulation, general prices, general volume of trade, general outputs, etc. Tinbergen says: “Working with macroeconomic concepts is a bare necessity in order to contribute to the solutions of the great problems of our times.” No government can solve these problems in terms of individual behaviour. Let us analyse the use of macroeconomic study in the solution of certain complex economic problems.

(i) In General Unemployment:

The Keynesian theory of employment is an exercise in macroeconomics. The general level of employment in an economy depends upon effective demand which in turn depends on aggregate demand and aggregate supply functions.

Unemployment is thus caused by deficiency of effective demand. In order to eliminate it, effective demand should be raised by increasing total investment, total output, total income and total consumption. Thus, macroeconomics has special significance in studying the causes, effects and remedies of general unemployment.

(ii) In National Income:

The study of macroeconomics is very important for evaluating the overall performance of the economy in terms of national income. With the advent of the Great Depression of the 1930s, it became necessary to analyse the causes of general overproduction and general unemployment.

This led to the construction of the data on national income. National income data help in forecasting the level of economic activity and to understand the distribution of income among different groups of people in the economy.

(iii) In Economic Growth:

The economics of growth is also a study in macroeconomics. It is on the basis of macroeconomics that the resources and capabilities of an economy are evaluated. Plans for the overall increase in national income, output, and employment are framed and implemented so as to raise the level of economic development of the economy as a whole.

(iv) In Monetary Problems:

It is in terms of macroeconomics that monetary problems can be analysed and understood properly. Frequent changes in the value of money, inflation or deflation, affect the economy adversely. They can be counteracted by adopting monetary, fiscal and direct control measures for the economy as a whole.

(v) In Business Cycles:

Further macroeconomics as an approach to economic problems started after the Great Depression. Thus its importance lies in analysing the causes of economic fluctuations and in providing remedies.

(3) For Understanding the Behaviour of Individual Units:

For understanding the behaviour of individual units, the study of macroeconomics is imperative. Demand for individual products depends upon aggregate demand in the economy. Unless the causes of deficiency in aggregate demand are analysed, it is not possible to understand fully the reasons for a fall in the demand of individual products.

The reasons for increase in costs of a particular firm or industry cannot be analysed without knowing the average cost conditions of the whole economy. Thus, the study of individual units is not possible without macroeconomics.

Conclusion:

We may conclude that macroeconomics enriches our knowledge of the functioning of an economy by studying the behaviour of national income, output, investment, saving and consumption. Moreover, it throws much light in solving the problems of unemployment, inflation, economic instability and economic growth.

Karnataka Class 12 Commerce Economics Nature And Scope Of Macro-Economics Notes

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