From: A theory of migration: the aspirations-capabilities framework
 |       Migration capabilities | ||
---|---|---|---|
   Low |    High | ||
Migration aspirations(intrinsic and/or instrumental) |  High | Involuntary immobilitya (feeling ‘trapped’) | Voluntary mobility (most forms of migration) |
 Low | Acquiescent immobilityb | Voluntary immobility and involuntary mobility (e.g. refugees, ‘soft deportation’)c |