Key concepts in migration Machine generated contents note 1 Introduction 2 Migration 3 Acculturation 4 Alien Foreigner 5 Assimilation 6 Borders 7 Brain Drain Gain Circulation 8 Chain Migration 9 Circular Migration 10 Citizenship 11 Cumulative Causation 12 Denizens 13 Deportation 14 Diaspora 15 Displacement and Internally Displaced Persons 16 Ethnic Enclaves and Ethnic Economies 17 Ethnicity and Ethnic Minorities 18 Family Migration and Reunification 19 Forced Migration 20 Gendered Migration 21 Guestworkers 22 Human Trafficking and Smuggling 23 Integration 24 Internal Domestic Migration 25 Labour Migration 26 Migrant Networks 27 Migration Stocks and Flows 28 Multiculturalism 29 Refugees and Asylum Seekers 30 Regional Integration and Migration 31 Remittances 32 Restrictionism vs. Open Borders 33 Return Migration 34 Second Generation 35 Selectivity 36 Social Capital 37 Social Cohesion 38 Transnationalism 39 Undocumented (Illegal) Migration