Gacaca courts are community trials, which try the perpetrators of the 1994 Genocide in Rwanda. They are a unique and large-scale national experiment in collaborative justice systems, and pose an important precedent for participatory community justice across the world.
The "Piano Integrato di Salute" is the document of the Società della Salute that plans healthy and social policies. Società della Salute are public consortium between municipality and Asl (Aziende Sanitarie Locali), the organisations that manage health care. They have to guarantee good performances with a budget that is reduced every year: to do this, efficency and citizens involvement seem to be the most important answers.
This case is a randomized field experiment, which examines the differences in decision-making and legitimacy in town meeting versus plebiscitary (direct voting) methods of decision. The experimenter - Benjamin Olken - examined this question in the context of decisions about infrastructure investments in Indonesian villages.