Question

Two theories of population growth and population flow are the Demographic Transition Theory and Theories of Factors Behind Global Migration. Explain and discuss Demographic Transition Theory and Factors Behind Global Migration proposed by Joseph J. Splengler, Everette Lee, David Heer and the structuralist.

Answer 1

Ans.

Demographic transition theory

This theory shows the changes in birth and death rate and as a result shows the growth rate of population. In terms of technology slow progress, to low birth rate and child or infant death rate joined with good and deeper technology rooted feature.In the pre industrial society , agriculture revolution is one of the sigficant parameters to demographic transition theory.

Many things follow accordingly like the way food was handled,hygiene, facilities of water distribution. waste disposal mechanism for sewage are few but vital indicators in emographic transition theory.In post industrialised soceities, growth of population is almost null.

Theory of factors behind global migration

Reasons and the root cause of global migration are skilled/unskilled jobs, further or higher education,oppurtunities in trade,scope for expansion of the business etc.

Cheap labour, which this theory points toward,is one of the most impostant attribute plays a role in global migration.

Investment also triggers migration , when the big capitalist nations invest in low tiered nation.