New York City's multipronged subway system was a major disseminator – if not the principal transmission vehicle – of coronavirus infection during the initial takeoff of the massive epidemic that became evident throughout the city during March 2020. The near shutoff of subway ridership in...

New York City has been rightly characterized as the epicenter of the coronavirus pandemic in the United States. Just one month after the first cases of coronavirus infection were reported in the city, the burden of infected individuals with serious complications of COVID-19 has already...

Prior research suggests that high quality universal pre-kindergarten (UPK) programs can generate lifetime benefits, but the mechanisms generating these effects are not well-understood. In 2014, New York City made all 4-year-old children eligible for high-quality UPK programs that emphasized...

We examine the effect of New York City's universal pre-kindergarten program (UPK) on the health and utilization of children enrolled in Medicaid using a difference-in-regression- discontinuities design. We find that UPK increases the probability that a child is diagnosed with asthma or with...

The pace of gentrification has accelerated in cities across the country since 2000, and many observers fear it is displacing low-income populations from their homes and communities. We offer new evidence about the consequences of gentrification on mobility, building and neighborhood conditions,...

Virtually all public policies regarding taxation and the redistribution of income rely on explicit or implicit assumptions about the long run effect of wages rates on labor supply. The available estimates of the wage elasticity of male labor supply in the literature have varied between -0.2 and...

It is claimed that many regulatory rules enforce inefficiencies in order to achieve the appearance of cost control. We assess the importance of these claims by measuring the effect of New York state's compulsory multiple contractor law on the cost of public construction in New York City....

There is a well-established association between income and child health. We examine the Supplemental Security Income (SSI) program, which provides cash assistance to low-income children with disabilities, to assess how this relationship arises. We use a large database of Medicaid administrative...

Expansions of Medicaid eligibility intend to improve access to care, and to shift care from emergency rooms and inpatient hospital care to more appropriate sites. We examine the effect of Medicaid recipiency on the level and site of medical service utilization using data from 1985 and 1987...

This research suggests that a Darwinian evolution of entrepreneurial spirit played a significant role in the process of economic development and the dynamics of inequality within and across societies. The study argues that entrepreneurial spirit evolved non-monotonically in the course of human...