Johnson, Kaufmann, and Shleifer (1997) find that the share of the unofficial economy in GDP is determined by the extent of control rights held by politicians and bureaucrats in post-communist economies. Exploring in more detail the role of bribes and using a broader data set from the OECD, Latin...

As governments around the world struggle with doing more with less, efficiency analysis climbs to the top of the policy agenda. This paper derives efficiency measures for more than 8,600 schools in 30 countries, using PISA 2012 data and a bootstrap version of Data Envelopment Analysis as a...

Many international comparisons of education over the past 50 years have included some measure of students’ opportunity to learn (OTL) in their schooling. Results have typically confirmed the common sense notion that a student’s exposure in school to the assessed concepts, operationalized in...

This paper presents the results of an impact evaluation, with an experimental design, which estimates the effect on learning math of a remote tutoring program offered to girls and boys aged 9-14 years in three departments of El Salvador. The program used low-tech interventions such as text...

This paper presents the results of an impact evaluation, with an experimental design, which estimates the effect on learning math of a remote tutoring program offered to girls and boys aged 9-14 years in three departments of El Salvador. The program used low-tech interventions such as text...