Research
The NBER conducts and disseminates independent, cutting-edge, non-partisan research that advances economic knowledge and informs policy makers and the business community.
New NBER Papers
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Working Paper
A large literature documents how ambient temperature affects human mortality. Using decades of detailed data from 30...
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Working Paper
Creative content is often the product of collaboration, which may lead to fractional ownership of intellectual...
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Working Paper
Traditional applied general-equilibrium (AGE) models have always faced trade-offs between analytical and computational...
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Working Paper
Intimate partner violence (IPV) is a pervasive global issue, with approximately one in three women experiencing IPV...
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Working Paper
Satellite imagery and machine learning (SIML) are increasingly being combined to remotely measure social and...
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The Digest
The Digest is a free monthly publication featuring non-technical summaries of research on topics of broad public interest.

Article
Author(s):
N. Gregory Mankiw1It is a great honor and delight to deliver this year’s Feldstein Lecture. I was never one of Marty’s students—I was educated not at Harvard, but at Princeton and MIT. Yet Marty nonetheless had a profound influence on my life and career.As a freshman at Princeton in 1977, I took introductory microeconomics from the superb teacher Harvey Rosen, who later hired me to be his research assistant. Harvey was a recent PhD student of Marty’s, so even though I did...
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Global value chains have come under severe scrutiny in the past few years. Pandemic-era shortages, geopolitical concerns, and new industrial strategies have all revived an old worry: have firms become too dependent on a handful of foreign suppliers and assembly hubs? Should governments use policy tools such as tariffs or subsidies to promote domestic manufacturing employment and capabilities?The heart of this debate centers around a firm’s decisions about whether and how to...
The Reporter
The Reporter is a free quarterly publication featuring program updates, affiliates writing about their research, and news about the NBER.

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The Development of the American Economy (DAE) program was one of the first research programs launched by Martin Feldstein in 1978 when he formalized the modern structure of the NBER.The mission of the program is to research historical aspects of the American economy. Its members are economic historians whose specific interests span many subfields within economics, including macroeconomics, labor economics, finance, political economy, trade, and industrial organization....

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In both developed and developing countries, annual spending on public procurement averages about 12 percent of national GDP. The efficiency of public procurement can have a long-run impact on the growth and productivity of countries. A major challenge in achieving efficiency, however, is the possibility of collusion among suppliers. Collusive agreements increase prices, leading to wasted tax dollars or, in the case of developing countries, wasted foreign aid. These...
The Bulletin on Health
The Bulletin on Health summarizes recent NBER Working Papers pertaining to health topics. It is distributed digitally three times a year and is free.

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Proposed increases in the eligibility age for retirement benefits raise questions about the health status of older adults and their ability to continue working beyond current retirement ages. In Trends in Work Capacity in the US Population: Are Recent Cohorts in Worse Health? (NBER Working Paper 33733), David M. Cutler, Ellen Meara, and Susan Stewart describe the age profile of health status for older adults in the US, how it has changed across cohorts, and how it differs...

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Lower-income adults in the US are more likely to lack health insurance and to suffer worse health, a correlation that raises the long-standing question of whether health insurance affects health. In Saved by Medicaid: New Evidence on Health Insurance and Mortality from the Universe of Low-Income Adults (NBER Working Paper 33719), Angela Wyse and Bruce D. Meyer present new evidence on this question by evaluating the consequences of recent Medicaid expansions. The largest...
The Bulletin on Entrepreneurship
Introducing recent NBER entrepreneurship research and the scholars who conduct it

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Younger entrepreneurs are disadvantaged in small business loan markets because lenders rely heavily on personal credit scores, which favor long histories of repaying debt. In Modernizing Access to Credit for Younger Entrepreneurs: From FICO to Cash Flow (NBER Working Paper 33367), researchers Christopher M. Hair, Sabrina T. Howell, Mark J. Johnson, and Siena Matsumoto document this fact and show that younger entrepreneurs benefit from underwriting that...

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The rise of platform-based work has transformed labor markets. Nearly 10 million Americans have participated in the gig economy over the past decade. This transformation may have important effects on entrepreneurship by allowing individuals to gain industry experience, encouraging experimentation, and lowering downside risks faced by founders.In Entrepreneurship and the Gig Economy: Evidence from US Tax Returns (NBER Working Paper 33347), researchers Matthew R. Denes, ...
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