Medicine theft is a leading cause of inadequate healthcare. Audits of public health supply chains suggest that up to a third of medicines go missing in low-income countries, disproportionately affecting those facing greater health risks and poverty. Despite much investment, policy-makers...

We present a national-scale effort to use technology to promote political participation in an emerging democracy, South Africa. Analysis exploits randomization of incentives and messaging on a multi-channel digital platform to encourage voting, conduct opinion polling, and enable citizen...