Figure 3From: Using mobile money data and call detail records to explore the risks of urban migration in TanzaniaDescriptive illustrations of A) the person to person transactions in the full mobile money dataset, and B) the density of call data outside of Dar es Salaam for the modelling sample, a proxy for where people migrated from. The red pin indicates the city of Dar es Salaam. DRC = Democratic Republic of the CongoBack to article page