Formal analysis plans limit false discoveries by registering and multiplicity adjusting statistical tests. As each registered test reduces power on other tests, researchers prune hypotheses based on prior knowledge, often by combining related indicators into evenly-weighted indices. We propose...

In order to induce farmers to adopt a productive new agricultural technology, we apply simple and complex contagion diffusion models on rich social network data from 200 villages in Malawi to identify seed farmers to target and train on the new technology. A randomized controlled trial compares...

This paper examines the importance of network-based intergenerational correlations in South Africa. I use longitudinal data on young South Africans to examine the covariance of children's employment with the usefulness of parents in their job search. I find that fathers serve as useful network...