Population Studies and Training Center
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VoxEU CEPR

The roots of cultural diversity

Societal diversity fosters creativity and cultural cross-pollination, but can also hinder social cohension. This column uses data on oral traditions and folkloric motifs across the world to examine the impact of the prehistoric migration of humans out of Africa on cultural diversity.
Is the trauma of displacement enduring? What is its impact – on the economy, on electoral behavior, on art – even decades later? How is a society affected when it suddenly needs to take in a large number of refugees?
Effective HIV prevention and treatment are widely available, but services are underused and underdelivered. Behavioural economics offers insights into why this is and shows us cost-effective interventions to change behaviours.
Medicaid is an essential source of maternal and postpartum care for low-income Americans, covering 42% of births in the U.S. But many immigrants don’t have access to this coverage, making them more vulnerable to maternal health problems, as highlighted by a new study of nearly 73,000 postpartum people across 19 states and New York City between 2012 and 2019.
Dire warnings of teacher shortages are nothing new, especially during the pandemic, and are sometimes overblown. But a confluence of warning signs suggest that the country is at a post-pandemic inflection point.
It’s not surprising that in places where food is scarce, obesity serves as a significant marker of wealth. But what the new study points out is that in poor countries, information is also scarce. And in those situations, loan officers use whatever bits of evidence they can find to help make critical economic decisions.
The Hill

Americans are older than ever

The nation’s median age reached 38.9 in 2022, according to new Census data; that’s the highest it has ever been.
Over the last three generations, Christian children in Africa have surpassed their parents’ level of education at a much higher rate than Muslim and traditionalist children there have, research shows.
Minnesota Reformer

A crazy idea worth considering: more school

Minnesota children spend fewer hours and days in the classroom than their peers nationwide. Among states with mandated instructional time, only Colorado requires fewer days than Minnesota, according to the Education Commission of the States.
On Thursday, May 18, members of the PSTC community gathered to celebrate the graduation of 10 PSTC trainees who will receive PhDs from the Brown University Graduate School this month.
In honor of Mother's Day, Washington Post columnist Alyssa Rosenberg shares her favorite anecdotes from parenting writers and experts, including one from PSTC economist Emily Oster.
A $3.1 million NIH grant supports Professor Blair T. Johnson and collaborators from Brown University in analyzing the effectiveness of mindfulness-based stress reduction (MBSR) interventions.
The past several weeks have seen somewhat widespread discussion of a truly upsetting trend in adolescent and teen mental health. In the most recent CDC data, 40 percent of high school students indicated that during the previous year they had experienced sadness severe enough that it impeded their ability to do their normal activities for at least two weeks.
Climate change disasters’ impact on population health, health disparities, and the national health care delivery infrastructure are subjects of too little academic research at a time when policymakers’ need for such data has never been greater. That’s according to five top academic research experts convened in a virtual seminar at the University of Pennsylvania’s Leonard Davis Institute of Health Economics (LDI).
Air travel is essential to connecting firm workers who reside in different locations by effectively and efficiently shrinking the geographic distance between them. But beyond merely bridging this physical gap, can it also play a role in helping global organizations overcome cultural, temporal and other dimensions of distance and contribute to positive innovation outcomes?
The Washington Post

We Need More Research on Guns

Some researchers have created databases to describe mass shooters. But this is descriptive data, not a predictive model. What is it about a school kid, a lonely elderly man, or a young adult that makes them shoot themselves or someone else? Are there environmental signals that we can act on? Are they long term, or in the moment? How do we identify these signs, whether in social media or personal interactions, without violating privacy rights and without bias?
Racism operates at the interpersonal, cultural, and structural levels, marginalizing or excluding minoritized racial and ethnic groups from the social, economic, and political resources and opportunities that represent important social determinants of health—and exposing these groups to higher levels of social, economic, environmental, and psychosocial harms throughout the life course.