Circular Migration Measurement
Circular migration measurement provides a quantitative grammar for distinguishing migrants who move back and forth across a border from those who settle permanently or return for good. Constant and Zimmermann's 2011 study proposed measuring circularity through two simple but powerful quantities: the number of exits a migrant makes from the host country and the cumulative years they spend away. With these counts in hand, the analysis models them statistically — using Poisson or negative-binomial regression for the count of exits and related models for years away — and represents the back-and-forth itself as transitions between being in the host country and being away, in the spirit of a Markov repeat-migration process. The framework turns the fuzzy notion of 'circular' or 'repeat' migration into measurable outcomes that can be explained by individual and contextual covariates and used to classify migrants into permanent stayers, circular movers, and permanent returners. Its contribution is to make circularity countable rather than merely descriptive.
Source record
Citations copied verbatim from the method’s source record. No claim-level verification is inferred from them.
Curated claims
Claims persisted in the evidence ledger, each with its own assessment.
This view does not invent a claim assessment when the ledger has none.
Related methods
Generated from the method graph and shown as machine-suggested relations — no evidence claim is inferred.