BARTER ECONOMY
Every producer produces goods
and services more than this own personal requirements with the intention that
the excess amount of goods and services would be brought into the markets for
change with the goods and services produced by the other producers excess of
their needs. This method of production and the system of exchange is carried
out in the economy throughout the year and hence aggregate supply become equal
to the aggregate demand. Therefore, there exists no question of over production
or unemployment.
Keeping in view the barter economy,
Ricardo expresses Says law of markets in the following words: “No man produces
but a view to consume or sell and he never sells but with an intention to
purchase some other commodity which may be useful to him or which contributes
to future production. By producing them he necessarily become either the
consumer of this owns goods or the purchaser and consumer of the goods of some
other persons. Productions are always bought by productions: money is only the
medium by which the exchange is affected.
MONETARY ECONOMY
In a monetary
economy, goods and services produced throughout the year by the combination of
the four factors of production. They are given rewards in form of rent,
interest, wages and profits respectively for the services rendered. These
rewards are simply used for purchasing the goods and services, so the consumers
pay back these rewards in the form of prices to the firms for the goods and
services purchased. Hence, aggregate supply = aggregate demand. Therefore there
is no over-production as in the aggregate sense. People living in a country are
by themselves the producers as well as the consumers. With the same token no
question of unemployment arises (note that this is an explanation with
reference to the circular flow of national income).
CRITICISM
ON SAY’S LAW OF MARKETS
(1)
NOT APPLICABLE TO THE WHOLE ECONOMY
The critics who oppose
Say, mention that Say’s Law of markets can only be applied in one industry or
firm and is not applicable on the whole economy as desired. For example, as it
result of over-production in the industry there will be unemployment and hence
rewards to factors of production will be cut down, under free consumption. Cost
of production will fall and as a result prices of the products will also fall.
Hence, there will be excess demand for goods and services and over production
will be eliminated. But this is possible only in case of an industry. However,
Say’s theory is not applicable on the economy as a whole because as a result of
the low prices of the product the aggregate demand cannot be increased and
hence over-production will continue and unemployment will persist.
(2)
INAPPLICABLE WHEN PRICES ARE STABLE
According
to Says prices of goods are highly flexible at the full employment level due to
which the aggregate supply of the goods adjusts with the aggregate demand for
it and therefore, eliminates any possible signs of over-production and
unemployment. However, in the real world today, prices of goods and services
are generally stable. Hence, in case of stable prices, over-production cannot
be eliminated and consequently unemployment takes place.
(3)
IGNORES THE TIME LAG IN INVESTMENT
Say’s theory is explained with reference to the
circular flow of national income, according to which people living in a country
are in the aggregate sense, the producers as well as the ultimate consumers.
Consequently, over-production does not take place. For example, we already know
that the people get their rewards in the form of rent, interest, wages and
profits respectively by which they create demand for the aggregate supply of the
goods and services. Now in reality, demand for consumer goods takes place
immediately but the demand for the capital goods takes some time to be
initiated as the people would generally think fast about their investment
project. As a result of this time lag, over production and unemployment takes
place.
(4)
THE CLLASICAL THEORY OF FULL EMPLOYMENT
Following Say’s Law of Markets,
the classical economist believed that there would always be full employment of
resources (I, e, the land, labour and organization) in a laissez faire economy
and this was said to be normal situation. Another strong belief of the
classical economists was that there would be lapses from full employment at
certain time due to the establishment of monopolies and by government
intervention in the economic life of the people. However they added that
despite this handicap, tendency to restore full employment will always exist.
Hence, according to the classical economist such a thing as unemployment and
over production does not exist in a free economy. And if by some reason any
such thing appears it will automatically disappear with the interaction of
natural forces of demand and supply. Thus according to this theory, if the
employment level goes up in one firm or industry under the situation of full
employment, it would result in the employment level of another firm and
industry going down. Similarly, if the production level in one industry rises,
it falls in the other due to the given level of resources in the economy.
Hence, there exists no question of unemployment and no question of
over-production. This simply means that the classical economists believe that
the laissez faire economy is always static at full employment level, instead of
being dynamics
This proposition of the classical
economists rests on the plea that national income is spent automatically at a
rate which will always keep the resources fully employed. Savings, according to
classical are just another form of spending. National income they believe is in
a large part spent on consumption and the rest on investment. Therefore there
is no ground to fear about any obstruction in the flow of income stream in the
economy. Hence there cannot be any general over-production or general
unemployment.
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