| Description |
The authors created an overall index of migration policies, taking into account 38 countries in the period 1996-2014. They constructed an indicator of the restrictiveness of immigration entry policy across countries as well as a more comprehensive indicator of migration policy that also accounts for staying requirements and regulations to foster integration. Specifically, they estimate a Bayesian-state space model to combine all publicly available data sources that are informative on migration policy.
Therefore, starting from some of the previously-created indexes, and from a database of over 250 indicators of migration policy, they created three sub-indexes that correspond to three categories traditionally distinguished in migration policy: (1) entry policies (including family reunification); (2) stay policies (permanent as opposed to temporary migration); and (3) integration policies (including migrant rights). They constructed three different migration policy indexes, MPIE; MPIS and MPII, of respectively entry, stay, and integration policies, that asses the restrictiveness of each of these sub-fields of migration policy, as well as a comprehensive indicator MPIC reflecting the overall stance of migration policy.
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