This paper introduces a new measure of residential segregation based on individual-level data. We exploit complete census manuscript files to derive a measure of segregation based upon the racial similarity of next-door neighbors. Our measure allows us to analyze segregation consistently and...

The paper examines changes in wage and hour labor regulation between 1898 and 1938. Many see the 1905 Lochner Supreme Court decision striking down hours limits for men as the beginning of 30 years in which labor regulation was stymied by the doctrine of "freedom of contract." That issue played a...

Across many sectors, research has established that management explains a notable portion of productivity differences across organizations. A remaining question, however, is whether it is managers themselves or firm-wide management practices that matter. We shed light on this question by...

This note lays out the basic Susceptible-Infected-Recovered (SIR) epidemiological model of contagion, with a target audience of economists who want a framework for understanding the effects of social distancing and containment policies on the evolution of contagion and interactions with the...