An enduring question in education is whether team-based peer learning methods help improve learning outcomes among students. We randomly assign around 10,000 middle school students in Karnataka, India, to alternative peer learning treatments in Math and English that vary the intensity of...

This paper analyses the case of a local secession, i.e. the birth of a new local jurisdiction by separation from an existing one. We present a stylized model in which society is composed of heterogeneous groups and individuals have an homophily bias. The model predicts that: i) separations, such...