We present a theory explaining the impact of ability tracking on academic performance based on grading policies. Our model distinguishes between initial ability, which is mainly determined by parental background, and eagerness to extend knowledge. We show that achievements of low ability...

Over the 2000s, many federal states in Germany shortened the duration of secondary school by one year while keeping the curriculum unchanged. Exploiting quasi-experimental variation due to the staggered introduction of this reform allows me to identify the causal effect of increased learning...

In Germany, the poor performance in PISA 2000 stimulated a heated public debate and a strong policy response. The government reacted to the low average and remarkable disparities registered by the test, and spurred reforms led to a significant improvement in the country fs educational...

This paper analyzes the effects of increased academic standards on both average achievement levels and on equality of opportunity. The five policies evaluated are: (1) universal Curriculum-Based External Exit Exam Systems, (2) voluntary curriculum-based external exit exam systems with partial...