Students' competencies are influenced by a host of factors, including the individual school's effectiveness. Measuring this contribution is extremely difficult. One way of circumventing the problem is by focusing on changes in competencies over time, i.e. value-added measures. Using the results...

The paper considers the teachers' labour market in Italy. The quality and motivation of teachers are certainly among the determinants of pupils' achievement, but they are difficult to measure, so we examine the composition of the pool of teachers and their behaviour to infer information about...