Scope
of Economics
The scope
of the subject of Economics refers to on the subject -matter of Economics. It
throws light on whether it is an art or a science and if science, whether it is
a positive science or a normative science.
·
Economics focuses on the behaviour and interactions
among economic agents, individuals and groups belonging to an economic system.
It deals with the activities such as the consumption and production of goods
and services and the distribution of income among the factors of production.
The activities of the rational human beings in the ordinary business of life
under the existing social, legal and institutional arrangement are included in
the Science of Economics; the abnormal persons and the socially unacceptable
and unethical activities are excluded.
·
Economics studies the ways in which people use the
available resources to satisfy their multiplicity of wants. Scarcity is a
problem indicating the gap between what people want and what they are able to
get. This scarcity can be eliminated either by limiting the human wants or by
increasing the supply of the goods that satisfy the human wants. The method of
getting more is resorted to, rather than the method of wanting less.
·
Economics is concerned with activities of human
being only. Human beings are related to one another and the actions of one
member affect those of the other members in the society. Hence, Economics is
called a Human Science or Social Science.
·
The activities of rational or normal human beings
are the subject-matter of Economics.
·
All human activities related to wealth constitute
the subject-matter of Economics. Thus, human activities not related to wealth
(non-economic activities) are not treated in Economics. For example, playing
cricket for pleasure, mother’s child care.
It is
customary to clarify whether Economics is an art or a science; and if it is a science,
to observe its specific features.
Art is the
practical application of knowledge for achieving particular goals.
Economics
provides guidance to the solutions to all the economic problems.
A. C.
Pigou, Alfred Marshall and others regard Economics as an art.
Science
is a systematic study of knowledge. All its relevant facts are collected,
classified and analyzed with its scale of measurement. Using these facts, science
develops the co-relationship between cause and effect. Scientific laws derived
are tested through experiments; and future predictions are made. These laws are
universally applicable and accepted. Economists like Robbins, Jordon and
Robertson argue that Economics is a science like Physics, Chemistry etc.,
since, it has several similar characteristics. Economics examines the
relationships between the causes and the effects of the problems. Hence, it is
rightly considered as both an art and a science. In fact, art and science are
complementary to each other.
Positive
science deals with what it is, means, it analyses a problem on the basis of
facts and examines its causes. For example, at the time of a price increase,
its causes are analysed.
On the
other hand, normative science responds to a question like what ought to be. Here, the conclusions and results are not based
on facts, but on different considerations belonging to
social, cultural, political, religious realms. They are basically subjective in
nature.
In short,
positive science is concerned with ‘how?
and why?’ and normative science with ‘what
ought to be’. The distinction between the two can be explained. An increase
in the rate of interest, under
positive science, would be looked into as to why and how can it be reduced,
whereas under normative science, it would be seen as to whether it is good or
bad.
a.
An increase in money supply implies a price-rise in
an economy.
b.
As the irrigation facilities and application of
chemical fertilizers expand, the production of food-grains increases.
c.
An increase in the birth rate and a decrease in the
death rate reflect the rate of growth of population.
a.
Inflation is better than deflation.
b.
More production of luxury goods is not good for a
less-developed country.
c.
Inequalities in the distribution of wealth and
incomes should be reduced.
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