European countries in which universities rely on public funding increasingly follow the lead of the United Kingdom and run Research Assessment Exercises. Given the subjective nature of such evaluations, some scientists prefer verifiable measures such as citation counts. This, however, also is...

Using a rich data set of almost the entire population of Ukrainian secondary schools, the authors estimate the effect of school size and class size on the performance of secondary schools on Ukraine's External Independent Test. They find that larger schools tend to have somewhat better...