This is an idea that could work in Latin America as well, the study was done in Liberia:
An intervention trained residents of 68 towns in mediation and advocated informal resolution practices and forums. We compare them to 179 randomized control towns a year later. We see little short-term impact on dispute levels or ferocity, but observe dramatically higher land dispute resolution and satisfaction.
That is from the abstract of the new working paper "Building Institutions at the Micro-Level: Results from a Field Experiment in Property Dispute and Conflict Resolution