Peter Day's World of Business

Why are Mexicans working abroad sending more money back home? Last year total remittance payments for Mexico reached a record of nearly $27bn – most of that came from Mexicans working in the United States. But it’s a sensitive time with President Trump determined to clamp down on illegal immigrants and build a wall along the US-Mexican border. Caroline Bayley asks how significant those payments are to relatives back home and the Mexican economy as a whole.(Image: Mexican farmer and his wife. Copyright: BBC)