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Ability gaps across individuals and between socio-economic groups open up at early ages ...

„Ability gaps across individuals and between socio-economic groups open up at early ages, for both cognitive and socio-emotional skills. Cognitive abilities become stable around the age of ten, suggesting that environmental conditions below this age are important and that early policy interventions pay off more than later interventions.“

Univ.-Prof. Dr. Giorgio Brunello, „Books are Forever: Early Life Conditions, Education and Lifetime Earnings in Europe“. In: „The Economic Journal“ 127 (2015), S. 287