Educators and policymakers have been concerned that the COVID-19 pandemic has led to substantial delays in learning due to disruptions, anxiety, and remote schooling. We study student achievement patterns over the pandemic using a combination of state summative and higher frequency benchmark...

We use data from Michigan and an interrupted time series (ITS) strategy to show how the COVID-19 pandemic impacted new special education classifications and discontinuations. We find a substantial decrease in K-5 classifications and discontinuations during the 2019-20 and 2020-21 school years....

We link future members of Congress to the de-anonymized 1940 census to offer a uniquely detailed analysis of how economically unrepresentative American politicians were in the 20th century, and why. Future members under the age of 18 in 1940 grew up in households with parents who earned more...

In November 2017, Maine became the first state in the nation to vote on a key provision of the Affordable Care Act: the expansion of Medicaid. We analyze local voting results to identify characteristics of areas that support Medicaid expansion. Support is strongly correlated with voter...

This paper examines the pattern of change in turnout in elections and in the rate of voting of different socioeconomic groups in the US. It shows that while the changing education and income structure of the population and changes in laws and regulations that make it easier to register and to...

A rich literature explores gender differences between men and women, but an increasing share of the population identifies their gender in some other way. Analyzing data on roughly 10,000 students and 1,500 adults, we find that such gender minorities are less confident and provide less favorable...

Research on the effects of prenatal care on birth outcomes has produced a patchwork of findings that are not easily summarized. Studies have used varying definitions of prenatal care, leading to estimates that are difficult to compare. The identification of causal effects is particularly...

We study the effects of job-protected leave policies on intergenerational mobility, long-run child outcomes, and parental decisions (labor market, investments in children, and fertility). We merge rich sources of historical information on family leave policies across the United States since 1973...

This paper attempts to reconcile the contradictory findings in the debate over school resources and school effectiveness by highlighting the role of aggregation in the presence of omitted variables bias. While data aggregation for well-specified linear models yields unbiased parameter estimates,...