Labor (4) Happiness (4) Economic development (4) Felicidad (4) Desarrollo económico (4) Trabajo (4) Équateur (3) Twenty-first century (3) Siglo veintiuno (3) Jefes y oficiales (3) Exports (2) Value added (2) Technology (2) State, The (2) Natural resources (2) Manufactures (2) Literature (2) Language and languages--Variation (2) Income (2) Export trading companies (2) Education (2) Debates and debating (2) Concepts (2) Mujeres--América latina (2) Variación (Lingüística) (2) Debates (2) Valor añadido (2) Productos industriales (2) Exportadores (2) Exportación (2)