Book excerpt: Remittances and the politics of austerity -- Outsourcing social welfare: how migrants replaced the state during Mexico's market transition -- How remittances prevent social unrest: evidence from the Mexican countryside -- Optimism in times of crisis: remittances and economic security in Africa, the Caribbean, Latin America, and the Middle East -- They came banging pots and pans: remittances and government approval in Sub-Saharan Africa during the food crisis -- No left turn: remittances and incumbent support in Mexico's closely-contested 2006 presidential election -- Conclusion