See citation below for complete author information. We study variation in skill demands for professionals across firms and labor markets. We categorize a wide range of keywords found in job ads into ...

While popular in other parts of the world, apprenticeships have failed to take hold in the United States, accounting for just 0.3% of the labor force, with much of that in the construction trades. But ...

The “3.5% rule” refers to the claim that no government has withstood a challenge of 3.5% of their population mobilized against it during a peak event. In this brief paper, author Erica Chenoweth ...

Nearly one in five workers in the United States work in the low-wage retail and food service sector, which has the largest concentration of low-wage workers, and is characterized by poor benefits and ...

On Friday, the U.S. Supreme Court overturned the landmark Roe v. Wade decision in a 6-3 vote. Almost half a century ago, the Roe v. Wade ruling was the basis for establishing a constitutional right to ...

This webinar is hosted by Professor Jim Honan, faculty chair of the Harvard Kennedy School executive education program Nonprofit Management and Leadership: Strategies for Organizational Success.

2021, Paper: "In this paper, we quantify the magnitude of R&D spillovers created by grants to small firms from the US Department of Energy. Our empirical strategy leverages variation due to ...

This paper argues that historical analysis, necessarily written with hindsight, often underestimates the uncertainties of the past. We call this tendency explanation bias. This bias leads individuals ...

Students come to Harvard Kennedy School from around the world to expand their skills, knowledge, and network. They graduate equipped to engage boldly with the future and make a difference in every ...

We are committed to distributing as much financial assistance as possible to our talented students; however, our institutional resources are limited. During the 2025-2026 academic year, approximately ...

Dam, Rob van, Frank Hu and Walter Willett. 2020. Coffee, Caffeine, and Health. The New England Journal of Medicine 383, no. 4 (July): 369-378.

Joe Aldy is the Teresa and John Heinz Professor of the Practice of Environmental Policy at the John F. Kennedy School of Government at Harvard University, a University Fellow at Resources for the ...