This paper studies responses to high-stakes incentives arising from early ability tracking. We use three complementary research designs exploiting differences in school track admission rules at the end of primary school in Germany’s early ability tracking system. Our results show that the need...

Most school systems grant teachers and school principals considerable discretion in grade retention decisions. This paper argues that schools can exploit this discretion by selectively retaining students to reduce class size which potentially has important implications for public spending on...

This paper studies responses to high-stakes incentives arising from early ability tracking. We use three complementary research designs exploiting differences in school track admission rules at the end of primary school in Germany's early ability tracking system. Our results show that the need...