SSRN Electronic Journal · 2006 · 32 citations · 23 references
Social SciencesDemographyDevelopment StudiesAfrican StudiesDevelopment EconomicsHousehold DemographyAfrican MigrationHousehold EconomicsHousehold MigrationRural Household DemographyRural MigrationAdaptation After MigrationHousehold Labor MigrationHousehold RelocationHousehold Strategies In MigrationMigration DecisionsPersonal SurvivalRural Out-migration
23
Sample Selection Bias as a Specification Error
James J. Heckman · Econometrica · 1979 · 28.9K citations