I'm part way into reading the 2010 book Arrival City by Toronto
journalist Doug Saunders. Early, on page 46, Saunders discusses
migration in terms of a more nuanced analysis, due to Charles
Tilly, than simple push and pull factors where migration happens
as the grass is seen to be greener on the other side of the
hill. Migration in Modern European History, according to Google
it's frequently cited, shows four migration types in terms of
the commitment to the change and the distance involved. Simple
mobility, such as moving to a different house on the same
street, is also shown. It might also involve regularly
communting long distances to work in a distant community, even
to another continent. Circular migration might have a seasonal
pattern, such as involved with moving grazing herds from low to
high altitude pastures, or Dorset fishermen going to
Newfoundland for the summer fishing. Chain migration involves a
person pioneering a migration of a larger group from the same
origin community. Career migration mig