Today, examples of rapid, non-linear progress--sometimes called leapfrogging--are evident in a number of sectors. Often, these instances are most obvious in the developing world, where in telecommunications or banking, for example, whole phases of infrastructure and institution-building that other countries had to go through have been by-passed by…

Sustainable Development Goal 4, to ensure inclusive and quality education for all and promote lifelong learning, sets out a grand ambition for education systems around the globe to achieve not just universal primary schooling, but to expand universal education from early childhood to secondary school and achieve relevant learning outcomes. While…