This special section focuses on the analysis of migration policy and on how to measure the nature of these policies. It aims to take stock of previous studies and build on this knowledge to propose paths for further development.

中文翻译：

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组装——而不是重新发明——轮子。移民政策指标领域的新发展

本节重点分析移民政策以及如何衡量这些政策的性质。它旨在评估以前的研究并在此知识的基础上提出进一步发展的途径。