Benjamin W. Arold prepared this study while he was working at the Center for Economics of Education at the ifo Institute. The study was completed in March 2022 and accepted as doctoral thesis by the Department of Economics at the LMU Munich. It consists of four distinct empirical essays that...

We assigned two cohorts of kindergarten students, totaling more than 24,000 children, to teachers within schools with a rule that is as-good-as-random. We collected data on children at the beginning of the school year, and applied 12 tests of math, language and executive function (EF) at the end...

We assigned two cohorts of kindergarten students, totaling more than 24,000 children, to teachers within schools with a rule that is as-good-as-random. We collected data on children at the beginning of the school year, and applied 12 tests of math, language and executive function (EF) at the end...