We estimate the impacts of two interventions implemented as field experiments in informal settlements by Nairobi’s water and sanitation utility to improve revenue collection efficiency and last mile connection loan repayment: (i) face-to-face engagement between utility staff and customers to...

This chapter analyzes a geographic quasi-experiment embedded in a cluster-randomized experiment in Honduras. In the experiment, average treatment effects of conditional cash transfers on school enrollment and child labor were large – especially in the poorest experimental blocks – and could...