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...

This paper replicates the analysis of Kim and Albert Kim (2018). Kim and Albert Kim (2018) find asizeable and negative impact of the Charlie Hebdo terrorist attack on various indicators of mentalhealth. Overall, our results confirm the conclusions of Kim and Albert Kim (2018).