Gajderowicz, Tomasz; Jakubowski, Maciej; Patrinos, Harry A. - 2022
students in Poland is estimated. The COVID-19-induced school closures lasted 26 weeks in Poland, one of Europe's longest …The effect of school closures in the spring of 2020 on the math, science, and reading skills of secondary school … future student earnings may amount to 7.2 percent of Poland's gross domestic product …