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Migration is usually defined as “permanent or semipermanent change o f residence”.
“ This broad definition, of course, would include a move across the street or a cross a city. Our concern is with movement between nations, not with internal mi gration within nations, although such movements often exceed international movem ents in volume. Today, the motives of people who move short distances are very s imilar to those of international migrants”.
Students of human migration speak of “push” and “pull” factors, which influe nce an individual’s decision to move from one place to another. Push factors are associated with the place of origin. A push factor can be as simple and mild a matter as difficulty in finding a suitable job, or as traumatic as war, or sever e famine. Obviously, refugees who leave their homes with guns pointed at their heads are motivated almost entirely by push factors (although pull factors do in fluence their choice of destin
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