The spread of coronavirus disease 2019 (COVID-19) has caused school closures in most countries, affecting over 90% of the world’s student population. School closures can widen learning inequalities and disproportionately hurt vulnerable students. We collected data on the exam scores of...

The spread of coronavirus disease 2019 (COVID-19) has caused school closures in most countries, affecting over 90% of the world’s student population. School closures can widen learning inequalities and disproportionately hurt vulnerable students. We collected data on the exam scores of...

The spread of coronavirus disease 2019 (COVID-19) has caused school closures in most countries, affecting over 90% of the worlds student population. School closures can widen learning inequalities and disproportionately hurt vulnerable students. We collected data on the exam scores of university...

The spread of coronavirus disease 2019 (COVID-19) has caused school closures in more than 190 countries, affecting over 90% of the world’s student population. School closures can widen learning inequalities and disproportionately hurt vulnerable students. We collected data on the mock exam...

We utilize representative and randomly assigned class data in China to study how being integrated with classmates who are only children in a family affects students’ academic and non-cognitive outcomes. A single child has certain common characteristics related to social preferences and...