How effective are restrictions on mobility in limiting COVID-19 spread? Using zip code data across five U.S. cities, we estimate that total cases per capita decrease by 20% for every ten percentage point fall in mobility. Addressing endogeneity concerns, we instrument for travel by residential...

Recent policy discussions have proposed government-guaranteed jobs, including for youth. One key potential benefit of youth employment is a reduction in criminal justice contact. Prior work on summer youth employment programs has documented little-to-no effect of the program on crime during the...

This paper reports the results of a large, school-level randomized controlled trial evaluating a set of three informational interventions for young people choosing high schools in 473 middle schools, serving over 115,000 8th graders. The interventions differed in their level of customization to...

We investigate the informativeness of hygiene signals in online reviews, and their effect on consumer choice and restaurant hygiene. We first extract signals of hygiene from Yelp. Among all dimensions that regulators monitor through mandated restaurant inspections, we find that reviews are more...

We designed and fielded a survey of New York and Pennsylvania firms to study the impacts of New York's 2018 Paid Family Leave policy on employer outcomes. We match each NY firm to a comparable PA firm and use difference-in-difference models to analyze within-match-pair changes in outcomes. We...

We describe how the COVID-19 pandemic affected reproductive choices in New York City, the most acutely impacted area of the United States. We contrast changes in New York City with reproductive outcomes in the rest of the US. We find that births to New York City residents fell 8.4% more between...

In 2016, New York City designed and implemented an intervention reducing frictions in accessing safety-net care: randomly making initial primary care appointments for 2,428 undocumented immigrants. We leverage a novel survey-administrative data linkage to show that the program resulted in a more...

We study the impact of remote work on the commercial office sector. We document large shifts in lease revenues, office occupancy, lease renewal rates, lease durations, and market rents as firms shifted to remote work in the wake of the Covid-19 pandemic. We show that the pandemic has had large...

School assignment in Boston and New York City came to national attention in the 1970s as courts across the country tried to integrate schools. Today, district-wide choice allows Boston and New York students to enroll far from home, perhaps enhancing integration. Urban school transportation is...