We evaluate the causal effect of class size (i.e., number of students in a classroom) on incidence of class closure due to flu epidemic in 2015, 2016, and 2017, applying an instrumental variable method with the Maimonides rule to administrative data of public primary and middle school students...

We evaluate the causal effect of class size (i.e., number of students in a classroom) on incidence of class closure due to flu epidemic in 2015, 2016, and 2017, applying an instrumental variable method with the Maimonides rule to administrative data of public primary and middle school students...

Remittance inflows are now the largest source of external financing to developing countries, but little research has yet firmly established the effect of remittances on household welfare. We investigate the case of Tajikistan, one of the most heavily remittance-dependent countries in the world....