We use data on professional chess tournaments to study how endogenous selection affects the relationship between age and mental productivity in a brain-intensive profession. We show that less talented players are more likely to drop out, and that the age-productivity gradient is heterogeneous by...

In spite of their relative vicinity Scandinavian countries and Central European countries (mainly Germany) have substantially different schooling institutions. While the former group of countries delays school tracking until age 16, the latter group anticipates differentiation between age 10 and...

Many European countries have delayed the time when school tracking starts in order to pursue equality of opportunity. What are the efficiency costs of de-tracking secondary schools? This paper builds a stylized model of the optimal time of tracking, estimates the relevant parameters using micro...

We use a natural experiment to show that the presence of an external examiner has both a direct and an indirect negative effect on the performance of monitored classes in standardised educational tests. The direct effect is the difference in the test performance between classes of the same...

In this report we investigate the effects of vocational education and training (VET) on adult skills and labour market outcomes by using the PIAAC survey. Data comparability across countries, the breath of countries involved, and the almost unique presence of information on assessed skills,...