This paper proposes a framework that examines three levels of access to infrastructure-nominal, effective, and quality-adjusted access. Most conventional indicators measure nominal access-whether a household has physical access to a service in or near the house. By contrast, effective access...

In many low-income countries, teachers do not master the subject they are teaching, and children learn little while attending school. Using unique data from nationally representative surveys of schools in seven Sub-Saharan African countries, this paper proposes a methodology to assess the effect...

Early childhood experiences lay the foundation for outcomes later in life. Policy makers in developing countries face a dual challenge of promoting access to and quality of early childhood development services, but evidence on how to manage this trade-off is scarce. This paper studies two...

The Three-Gap Model examines the determinants of low-quality health care by examining the patterns and determinants of three gaps. Using four measures of performance-target performance, actual performance, capacity to perform, and knowledge to perform-this paper defines three gaps for each...