Control of Infectious Diseases Benefited Both Genders;
Research Explores Why Women's Gains Were Greater

Before the 20th century, women in the United States did not live as long as men; today they live significantly longer, here and in most of the world. Control of infectious diseases extended life expectancy for both genders, but appears to have benefited women more. Research by Adriana Lleras-Muney of UCLA and Claudia Goldin of Harvard, both NBER research associates, identifies a possible reason.

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New NBER Research

21 March 2019

Fertility Trends in the United States, 1980-2017

U.S. fertility reached a historic low in 2017, with the largest declines among young women and unmarried women, Kasey Buckles, Melanie E. Guldi, and Lucie Schmidt find. Much of the decline is attributable to reduced rates of unintended births.

20 March 2019

Effects of Photo ID Laws on Registration and Turnout

Studying Rhode Island’s law requiring persons registering to vote to present a photo ID, Francesco Maria Esposito, Diego Focanti, and Justine S. Hastings find that turnout, registration, and voting conditional on registration fell among those without licenses after the law passed.

19 March 2019

Trends in Diffusion of Misinformation on Social Media

In a study of 569 fake news websites and 9,540 fake news stories on Facebook and Twitter between January 2015 and July 2018, Hunt Allcott, Matthew Gentzkow, and Chuan Yu find that user interactions with false content rose steadily on both Facebook and Twitter through the end of 2016. Since then, interactions with false content have fallen sharply on Facebook while continuing to rise on Twitter.
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NBER in the News

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Analyzing Employment Levels after the Great Recession,
Comparing Experiences in Phoenix and San Antonio

In the recovery following the Great Recession, the unemployment rate returned to a normal level but — contrary to the standard economics playbook — the share of adults with a job did not. Danny Yagan of the University of California, Berkeley and the NBER, explored two possible explanations, one directly related to the recession, one unrelated.

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The NBER Bulletin on Aging and Health

Black Men who Visit Black Primary Care Doctors
Are More Likely to Accept Preventative Health Care

Black men are less likely to visit a doctor and receive preventative services like diabetes screening than their non-black counterparts. A study summarized in the most recent issue of the NBER Bulletin on Aging and Health finds that black male patients who see black doctors elect to receive recommended preventative health screenings at a much higher rate than those who see a non-black doctor. Also featured in this edition of the Bulletin: A look at the long-term impacts of Hurricane Katrina on survivors' mortality rates and an analysis of how fragmentation of the kidney exchange market constrict hospitals' efforts to match donors to recipients.

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The NBER Digest

A Spike in Levels of the Stress Hormone Cortisol
Is Associated with Lower Scores on High-Stakes Tests

High-stakes standardized testing of students is associated in males with heightened levels of cortisol, a hormone that can cause a lack of focus and recall and is associated with lower test scores, according to research featured in the March edition of the NBER Digest. Also summarized in this issue of the free monthly Digest are studies reporting on efforts to reduce children's access to firearms, examining an effort to attract high-achieving, low-income students to a top university, analyzing the reactions of retail investors when interest rates fall, assessing a major privatization drive in China, and exploring the impact of firms being awarded high-value patents, and analyzing a major factor in slow employment growth during recent economic recoveries.

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Impacts of a San Francisco Rent-Control Expansion:
More Long-Timers Can Stay, but Rental Supply Suffers

Policy-makers and community activists in many cities have used a variety of tools to shield long-term residents from being displaced or impoverished by evolving economic realities. NBER research associate Rebecca Diamond and her colleagues at Stanford University use changes in San Francisco's rent-control law made through a 1994 ballot initiative to explore the responses of tenants and landlords.

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The NBER Reporter

Real Residential Real Estate Returns Are on a Par
with Returns on Equities — and Housing's Less Volatile

Contributing to the current debate over inequality, research featured in the current edition of the NBER Reporter finds that, on a global level and across most countries, the rate of return on capital was twice as high as the growth rate of the economy over the past 150 years. Long-run returns on housing and equities were similar, even though residential real estate is less volatile. Also in this issue of the quarterly are reports on the NBER's Household Finance Working Group, the role of financial factors in economic fluctuations, the price and quality of prescription drugs, and public sector personnel management in developing countries.

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New Research Associates
and Faculty Research Fellows for 2018

The NBER appointed 58 new research associates and 45 new faculty research fellows in 2018. New appointees must be faculty members at North American colleges and universities, and are recommended by program directors in the culmination of a highly competitive process.
New appointees and their research program affiliations


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