This study examines the impact on human mobility of the national social distancing policies implemented in 18 Latin American and Caribbean countries in March 2020. To do so, it uses georeferenced data from cellular phones and variation between countries with regard to whether these measures were...

Many families fail to vaccinate their children despite the supply of these services at no cost. This study tests whether personal reminders can increase demand for vaccination. A field experiment was conducted in rural Guatemala in which timely reminders were provided to families whose children...

This paper reports the results of an experiment with secondary school students designed to improve their ability to reason, argument, and communicate using mathematics. These goals are at the core of many educational reforms. A structured pedagogical intervention was created that fostered a more...

Schools that provide higher education often belong to either a merit-based selective system or an open-access less selective system. This paper presents the results of a field experiment that provided Grade 12 students in Chile with tailored information about financial aid and average earnings...