Self-employed (2) Possibility (2) Poor (2) Income (2) Posibilidad (2) Trabajadores autónomos (2) Renta (2) Pobres (2) Trabajo (2) Education (1) Employment (1) Assaying (1) Identification (1) Labor (1) States (1) Labor market (1) Labor demand (1) Employees (1) Weights and measures (1) Wealth (1) Time (1) Telecommuting (1) Teaching (1) Social groups (1) Reason (1) Proportion (1) Poverty (1) Paper (1) Metropolitan areas (1) Measurement (1)