Impact (3) Immigrants (3) papier (2) commerce international (2) Commerce (2) International trade (2) Employees (2) Transaction costs (2) Taxation (2) Tariff (2) Paper (2) Octroi (2) Migrant agricultural laborers (2) Gravity (2) Commerce (2) Characters and characteristics (2) Business (2) Attention (2) Educational attainment (2) Qualifications (2) Number (2) Migration (2) acte législatif (1) science (1) participation (1) modèle (1) marché du travail (1) travail (1) industrie (1) structure industrielle (1)