income and likewise over achieved years of education. Gathering information for Bolivia and applying the theoretical scheme … analysis, we find that the identified circumstances are a vital part of income determination, and even more significant part in … education level determination in Bolivia. However, we also evidence that within ten years the conditioning of income to those …

. Christiansen -- Schooling, intelligence, and income in America / Orley Ashenfelter and Cecilia Rouse -- Does schooling raise …