This study was prepared by Martin Schlotter while he was working with the Ifo Institute for Economic Research. It was completed in June 2011 and accepted as a doctoral thesis by the Department of Econcomics at the University of Munich in November 2011. It addresses the effects of different early...

We estimate the effect of age at preschool entrance on crucial noncognitive skills in theyear before school starts. Using an instrumental variable approach and exploiting cut-offdates for the time at preschool entrance we find that children entering preschool earlierin life have better...

International surveys of learning achievement and functional literacy are increasingly common. We consider two aspects of the robustness of their results. First, we compare results from four surveys: TIMSS, PISA, PIRLS and IALS. This contrasts with the standard approach which is to analyse a...