We set up a framework to conduct experiments for estimating spillover effects when units are grouped into mutually exclusive clusters. We improve upon existing methods by allowing for heteroskedasticity, intra-cluster correlation and cluster size heterogeneity, which are typically ignored when...

We develop a framework to conduct experiments for estimating direct and spillover effects when units are grouped into mutually exclusive clusters. Crucially, our framework accounts for heterogeneous treatment effects across clusters and heterogeneous cluster sizes, which are pervasive in...

We develop a framework to analyze partial population experiments, a generalization of the cluster experimental design where clusters are assigned to different treatment intensities. Our framework allows for heterogeneity in cluster sizes and outcome distributions. We study the large-sample...

Governments in Latin America raise little revenue from property taxation, despite arguments for its efficiency and equity. Adequate registry information would support consistent collection, but registries are costly to establish and maintain. Compared to tax collection, field experimental...

Municipal governments commonly confront the problem of tardy or delinquent property tax payments. We implement an experiment in property tax collection for tardy taxpayers in the City of Philadelphia for the calendar year, 2015. The experiment sent one of seven reminder letters to the tardy...

Tax compliance remains an obstacle to the building of state capacity in many developing countries. Conventional wisdom suggests a link between taxation and political representation, yet recent field experiments have often failed to find consistent evidence to support this link. We argue that...