In 2020, 1.5 billion students in 188 countries/economies were locked out of their schools. Students everywhere have been faced with schools that are open one day and closed the next, causing massive disruption to their learning. With the coronavirus (COVID-19) pandemic still raging, many...

This paper calculates new measures of human capital. Contrary to the existing literature, they are based on realistic rates of return to education, which are allowed to vary substantially across countries and to some extent over time. The new measures perform well in regression analysis...