Philippe Aghion, Peter Howitt, and Joel Mokyr. Philippe Aghion, research associate Peter Howitt, and NBER board member Joel ...

This paper examines the effects of tariffs along the supply chain using product-level data from a large U.S. wine importer in the context of the 2019-2021 U.S. tariffs on European wines. By combining ...

This paper provides systematic evidence on the macroeconomic consequences of war using a new dataset covering 115 conflicts and 145 countries over the past 75 years. We document three main findings.

From 1900 to 1940, ordinary working- and middle-class families saved for retirement and contingencies via ordinary life insurance policies. These policies combined insurance and savings in a single ...

China’s unprecedented expansion of higher education in 1999, increased annual college enrollment from 1 million to 9.6 million by 2020. We trace the global ripple effects of that expansion by ...

This project addresses the slowdown in US economic growth since 2000 by focusing on how microeconomic policy changes can spur growth. Recognizing that many growth-related policy levers are ...

What does homeless shelter achieve? We leverage administrative records of homeless services in Los Angeles County to construct a novel dataset of daily, site-level counts of shelter beds and occupants ...

In addition to working papers, the NBER disseminates affiliates’ latest findings through a range of free periodicals — the NBER Reporter, the NBER Digest, the Bulletin on Health, and the Bulletin on ...

US multinationals formed joint ventures in China for market access and lower labor costs. However, these ventures transfer technology to Chinese firms, fueling future competition. While individual ...

Cellphone bans in schools have become a popular policy in recent years in the United States, yet very little is known about their effects on student outcomes. In this study, we try to fill this gap by ...

In addition to working papers, the NBER disseminates affiliates’ latest findings through a range of free periodicals — the NBER Reporter, the NBER Digest, the Bulletin on Health, and the Bulletin on ...

How does ethnic identification vary with education among disadvantaged minorities? We study this question for Roma people, Europe's largest ethnic minority, using linked Romanian census data and birth ...