This study from the World Bank calls for a rebalancing of policy discussions and shows how to use the three dimensions of density, distance, and division to tailor policy instruments to address integration challenges ranging from the relatively straightforward to the very complex.

This paper extends a new line of research on urban squatting that focuses on the role of the squatter organizer. The model replaces the benevolent organizer from previous studies with a collection of competing, rent-seeking squatter organizers, a structure that may offer a realistic picture of...