Inequality and innovation are both rising issues on the international development agenda. Their intersection is inclusive innovation; defined as the inclusion within some aspect of innovation of groups who are currently marginalised. This is a topic of increasing interest and activity. Large firms have been working to deliver innovative goods and services for base-of-the-pyramid consumers: the c.3 billion who live on less than US$2 per day. Within poor communities, an influx of new technology, finance and capabilities has spurred more localised innovation.

A variety of different models...