Answer:
The
history of developed countries reveal a general pattern of development in their
economic structure.
First Primary sectors were predominantly contribute to GDP and hold most
of the employment. Then when agricultural activities increase there was need
for industrialisation and gradually Industrial sectors dominate the economy.
Much of the workers shifts to Industrial sector but Primary
productivity did not hamper as Industrial sector produces much sophisticated
instruments and inputs that increase the productivity and fill the gap of loss
of workforce.
After a hundred year Service sector groomed up and most of
the workers shifts to Service sector and Service sector contributes maximum to
the share of economy.
The Service sector has now become the most important
sector in terms of total production and employment generation without
disturbing the production and productivity of other two sectors.
So, it is seen that central tendency of economic structure
had been shifting from Primary to Secondary and finally to Tertiary sector in
developed countries.
Similarly almost all the developing countries are following
the same path but may be in a different pace.
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