Cultural psychologists and anthropologists argue that societies have developed heterogeneous systems of social organization to cope with social dilemmas, and that an entire bundle of psychological and biological characteristics has coevolved to enforce cooperation within these different regimes....

Using quasi-random assignment of criminal cases to judges, we estimate large incarceration spillovers in criminal and brother networks. When a defendant is sent to prison, there are 51 and 32 percentage point reductions in the probability his criminal network members and younger brothers will be...

The welfare impact of expanding access to bank accounts depends on whether accounts crowd out pre-existing financial relationships, or whether private gains from accounts are shared within social networks. To study the effect of accounts on financial linkages, we provided free bank accounts to a...

Medellin's government wanted to raise its efficacy, legitimacy, and control. The city identified 80 neighborhoods with weak state presence and competing armed actors. In half, they increased non-police street presence tenfold for two years, offering social services and dispute resolution. In...

This paper studies how fiscal decentralization affects local services. It explores a 1993 reform that increased the fiscal autonomy of Italian municipalities by replacing government transfers with revenues from a local property tax. Our identifica- tion leverages cross-municipal variation in the...

This paper uses a discrete choice approach to estimate the impact of local fiscal and other variables on individual community choices. It employs a combination of a unique micro data set composed of ninety percent of all homeowners in six school districts in Camden County, New Jersey and...

Can open tournaments improve the quality of city services? The proliferation of big data makes it possible to use predictive analytics to better target services like hygiene inspections, but city governments rarely have the in-house talent needed for developing prediction algorithms. Cities...

Local governments spend roughly $1.6 trillion per year to provide a variety of public services ranging from police and fire protection to public schools and public transit. However, we know little about public sector's productivity in delivering key services. To understand the productivity both...

Education and income are strong predictors of health and longevity. In the last 20 years many efforts have been made to understand if these relationships are causal and what the possible role of policy should be as a result. The evidence from various studies is ambiguous: the effects of...