Understanding the extent to which immigration is a predominantly permanent or transitory phenomenon is essential for host countries insofar as it affects the strategic design of their admission, reception, and integration policies. Beyond the determination of the volume of returns, it is crucial to also determine which covariates connect better with a greater or lesser propensity of return. An adequate approach to the dynamics of the return requires considering this decision conditioned by the time elapsed since the arrival of the immigrant. From this perspective, the variable of interest would not be the intention of return, but the elapsed time between the arrival of the immigrant and the moment that return is considered as an option, as well as what are the factors affecting a greater or lesser duration of the stay. In this context, the article explores the relative importance of various personal and migration characteristics in the intention of return of immigrants conditional at the time of residence through the application of a Cox model of duration.
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