Trojani, FabioFabioTrojaniGouriéroux, C.C.GouriérouxGagliardini, PatrickPatrickGagliardini2023-04-132023-04-132005-04-01https://www.alexandria.unisg.ch/handle/20.500.14171/84894enMigration Correlation: Definition and Consistent Estimationjournal article