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...

Were high import tariffs somehow related to the strong U.S. economic growth during the late nineteenth century? This paper examines this frequently mentioned but controversial question and investigates the channels by which tariffs could have promoted growth during this period. The paper shows...

The history of the twentieth century can be summarized excessively briefly in five propositions: First, that the history of the twentieth century was overwhelmingly economic history. Second, that the twentieth century saw the material wealth of humankind explode beyond all previous imagining....

African- American motorist in the United States are much more likely than white motorists to have their car searched by police checking for illegal drugs and other contraband. The courts are faced with the task of deciding on the basis of traffic-search data whether police behavior reflects a...

Retirement saving accounts, particularly employer-provided 401(k) plans rapidly in the last decade. More than forty percent of workers are currently eligible for these" plans, and over seventy percent of eligibles participate in these plans. The substantial and" ongoing accumulation of assets in...