A wide literature uses date of birth as an instrument to study the causal effects of educational attainment. This paper shows how parents delaying their children's initial enrollment in kindergarten, a practice known as redshirting, can make estimates obtained through this identification...

This doctoral thesis analyses the impact of education and other determinants on labour market outcomes using microeconometric methods. Chapter 1 serves as an introduction. Chapter 2 uses a randomised field experiment among German human resource managers to evaluate which skill signals such as...