California Center For Population Research
@ccpratucla.bsky.social
UCLA community for interdisciplinary population research
CCPR Workshop, 1/21/2026, Matias D. Cattaneo, (Princeton University), "Boundary Discontinuity Designs: Theory and Practice” #CCPR #UCLA Geo #CCPRWednesdays #UCLAEvent
January 16, 2026 at 4:00 PM
CCPR Workshop, 1/21/2026, Matias D. Cattaneo, (Princeton University), "Boundary Discontinuity Designs: Theory and Practice” #CCPR #UCLA Geo #CCPRWednesdays #UCLAEvent
Reposted by California Center For Population Research
I had the opportunity to comment on Spears and Geruso's book After the Spike at an event at @ccpratucla.bsky.social last night, thanks to @marthajbailey.bsky.social. My remarks transcribed:
Comment on After the Spike at UCLA event
Me responding to a talk by Michael Geruso about his book with Dean Spears, After the Spike.
familyinequality.wordpress.com
January 15, 2026 at 5:00 PM
I had the opportunity to comment on Spears and Geruso's book After the Spike at an event at @ccpratucla.bsky.social last night, thanks to @marthajbailey.bsky.social. My remarks transcribed:
@mikegeruso.bsky.social, UT Austin, “After the Spike: Population, Progress, and the Case for People” CCPR Book Talk today at 6:00 pm in 314 Royce Hall! #CCPR #UCLA @uclacollege.bsky.social #CCPRWednesdays #UCLAEvent #CampusEvents #Seminar
January 14, 2026 at 4:05 PM
@mikegeruso.bsky.social, UT Austin, “After the Spike: Population, Progress, and the Case for People” CCPR Book Talk today at 6:00 pm in 314 Royce Hall! #CCPR #UCLA @uclacollege.bsky.social #CCPRWednesdays #UCLAEvent #CampusEvents #Seminar
@philipncohen.com, University of Maryland, “Research Is Not Enough: Public Engagement and the Citizen Scholar” CCPR Book Talk today at 12:00pm in 4240 Pub Aff!
#CCPR #UCLA @uclacollege.bsky.social #CCPRWednesdays #UCLAEvent #CampusEvents #Seminar
#CCPR #UCLA @uclacollege.bsky.social #CCPRWednesdays #UCLAEvent #CampusEvents #Seminar
January 14, 2026 at 4:04 PM
@philipncohen.com, University of Maryland, “Research Is Not Enough: Public Engagement and the Citizen Scholar” CCPR Book Talk today at 12:00pm in 4240 Pub Aff!
#CCPR #UCLA @uclacollege.bsky.social #CCPRWednesdays #UCLAEvent #CampusEvents #Seminar
#CCPR #UCLA @uclacollege.bsky.social #CCPRWednesdays #UCLAEvent #CampusEvents #Seminar
Reposted by California Center For Population Research
I need to take a cue from @philipncohen.com and do more to disseminate my academic research on the determinants of fertility. I am looking forward to his book talk on Wednesday at @ccpratucla.bsky.social .
January 11, 2026 at 6:31 PM
I need to take a cue from @philipncohen.com and do more to disseminate my academic research on the determinants of fertility. I am looking forward to his book talk on Wednesday at @ccpratucla.bsky.social .
This week CCPR's seminar series will feature @philipncohen.com discussing his book, "Research is Not Enough: Public Engagement and the Citizen Scholar." Join us on January 14 @12pm in Public Affairs 337.
January 11, 2026 at 6:00 PM
This week CCPR's seminar series will feature @philipncohen.com discussing his book, "Research is Not Enough: Public Engagement and the Citizen Scholar." Join us on January 14 @12pm in Public Affairs 337.
CCPR is excited to host
@mikegeruso.bsky.social to discuss his book, After the Spike, Wednesday, Jan 11 @6pm, in UCLA's 314 Royce Hall. Comments by CCPR Director @marthajbailey.bsky.social
& @philipncohen.com. Reception to follow. RSVP here: eventsrsvp.ucla.edu/CCPRLecture2...
@mikegeruso.bsky.social to discuss his book, After the Spike, Wednesday, Jan 11 @6pm, in UCLA's 314 Royce Hall. Comments by CCPR Director @marthajbailey.bsky.social
& @philipncohen.com. Reception to follow. RSVP here: eventsrsvp.ucla.edu/CCPRLecture2...
January 11, 2026 at 5:57 PM
CCPR is excited to host
@mikegeruso.bsky.social to discuss his book, After the Spike, Wednesday, Jan 11 @6pm, in UCLA's 314 Royce Hall. Comments by CCPR Director @marthajbailey.bsky.social
& @philipncohen.com. Reception to follow. RSVP here: eventsrsvp.ucla.edu/CCPRLecture2...
@mikegeruso.bsky.social to discuss his book, After the Spike, Wednesday, Jan 11 @6pm, in UCLA's 314 Royce Hall. Comments by CCPR Director @marthajbailey.bsky.social
& @philipncohen.com. Reception to follow. RSVP here: eventsrsvp.ucla.edu/CCPRLecture2...
UCLA CCPR Faculty Affiliate Professor Graeme Blair, co-director of the Deportation Data Project, highlights new ICE data showing federal crackdowns are arresting mostly immigrants with no criminal record — far more non-offenders than serious criminals. www.nytimes.com/interactive/...
ICE Arrest Data Shows Many Immigrants With No Criminal Record
In high-profile operations, more than half of those arrested had no criminal record, an analysis shows.
www.nytimes.com
December 4, 2025 at 11:48 PM
UCLA CCPR Faculty Affiliate Professor Graeme Blair, co-director of the Deportation Data Project, highlights new ICE data showing federal crackdowns are arresting mostly immigrants with no criminal record — far more non-offenders than serious criminals. www.nytimes.com/interactive/...
CCPR Workshop, 12/3/25, Development Workshop: Mary Jo Mitchell (Director of Gov’t and Public Affairs, PAA), “Engaging Policymakers: Role of PAA/APC and Population Scientists” on Zoom #CCPR #UCLA@UCLA #CCPRWednesdays #UCLAEvent
December 3, 2025 at 7:22 PM
CCPR Workshop, 12/3/25, Development Workshop: Mary Jo Mitchell (Director of Gov’t and Public Affairs, PAA), “Engaging Policymakers: Role of PAA/APC and Population Scientists” on Zoom #CCPR #UCLA@UCLA #CCPRWednesdays #UCLAEvent
CCPR Seminar, 11/12/25, Nathan Nunn, University of British Columbia, “Development Mismatch?:
Evidence from Agricultural Projects in Pastoral Africa” #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #seminar#CampusEvent
Evidence from Agricultural Projects in Pastoral Africa” #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #seminar#CampusEvent
November 19, 2025 at 4:02 PM
CCPR Seminar, 11/12/25, Nathan Nunn, University of British Columbia, “Development Mismatch?:
Evidence from Agricultural Projects in Pastoral Africa” #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #seminar#CampusEvent
Evidence from Agricultural Projects in Pastoral Africa” #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #seminar#CampusEvent
CCPR Seminar, 11/12/25, Manasi Deshpande, Johns Hopkins University, “Explaining the Historical Rise and Recent Decline in Social Security Disability Insurance Enrollment” #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #CampusEvent
November 12, 2025 at 4:00 PM
CCPR Seminar, 11/12/25, Manasi Deshpande, Johns Hopkins University, “Explaining the Historical Rise and Recent Decline in Social Security Disability Insurance Enrollment” #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #CampusEvent
Reposted by California Center For Population Research
The Brown Population Studies & Training Center is accepting applications to our Global Fellows Program. The program is for early- & mid-career demographers. We are especially interested in applications from scholars from low & middle-income countries. Share & apply! pstc.brown.edu/programs-and...
Global Fellows Program in Demography
The PSTC has a long-standing tradition of hosting scholars, researchers, and practitioners from diverse corners of the globe.
pstc.brown.edu
October 31, 2025 at 12:44 PM
The Brown Population Studies & Training Center is accepting applications to our Global Fellows Program. The program is for early- & mid-career demographers. We are especially interested in applications from scholars from low & middle-income countries. Share & apply! pstc.brown.edu/programs-and...
Reposted by California Center For Population Research
With a new measure to understand causes of maternal mortality, historical demographer George Alter finds infectious disease & nutrition improvements likely impacted falling maternal mortality more than shifting obstetrical practices. Just out in Population Studies: psc.isr.umich.edu/news/new-ins...
New Insights on Historic Causes of Maternal Deaths
In historical populations, female death rates usually exceeded male death rates during the reproductive ages. The most obvious cause of this difference is deaths resulting from childbirth. Parish regi...
psc.isr.umich.edu
November 10, 2025 at 4:33 PM
With a new measure to understand causes of maternal mortality, historical demographer George Alter finds infectious disease & nutrition improvements likely impacted falling maternal mortality more than shifting obstetrical practices. Just out in Population Studies: psc.isr.umich.edu/news/new-ins...
Reposted by California Center For Population Research
Subsidizing contraception has large and persistent effects on the choice of contraceptive method, resulting in significantly fewer pregnancies and abortions in the US, from @marthajbailey.bsky.social, Rebolledo, Gorgulu, Figone, Lang, Prettyman, and Dalton www.nber.org/papers/w34400
October 29, 2025 at 1:04 PM
Subsidizing contraception has large and persistent effects on the choice of contraceptive method, resulting in significantly fewer pregnancies and abortions in the US, from @marthajbailey.bsky.social, Rebolledo, Gorgulu, Figone, Lang, Prettyman, and Dalton www.nber.org/papers/w34400
Reposted by California Center For Population Research
The Quiet Collapse of America’s Reproductive Health Safety Net kffhealthnews.org/MjEwNjQwMQ by @celinegounder.com via @kffhealthnews.org CC: @marthajbailey.bsky.social @whitneysrice.bsky.social @rachelfey.bsky.social @bthomas520.bsky.social @megankavanaugh.bsky.social
November 5, 2025 at 6:43 PM
The Quiet Collapse of America’s Reproductive Health Safety Net kffhealthnews.org/MjEwNjQwMQ by @celinegounder.com via @kffhealthnews.org CC: @marthajbailey.bsky.social @whitneysrice.bsky.social @rachelfey.bsky.social @bthomas520.bsky.social @megankavanaugh.bsky.social
Congratulations to our very own Dr. Randall Kuhn for his amazing work in UCLA’s Fielding’s Department of Community Health Sciences as a principal investigator; securing a $3.4 million dollar NIH Grant!
#CCPR #UCLA #UCLAResearch #Research #ResearchSavesLives
#CCPR #UCLA #UCLAResearch #Research #ResearchSavesLives
November 5, 2025 at 11:03 PM
Congratulations to our very own Dr. Randall Kuhn for his amazing work in UCLA’s Fielding’s Department of Community Health Sciences as a principal investigator; securing a $3.4 million dollar NIH Grant!
#CCPR #UCLA #UCLAResearch #Research #ResearchSavesLives
#CCPR #UCLA #UCLAResearch #Research #ResearchSavesLives
CCPR Seminar 11/05/25, Stefanie DeLuca, Johns Hopkins University, “Colleges that obviously don’t have what you need”: Risk, Social Mobility and the Postsecondary Decisions of Low-Income Students” #CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvent
November 5, 2025 at 4:00 PM
CCPR Seminar 11/05/25, Stefanie DeLuca, Johns Hopkins University, “Colleges that obviously don’t have what you need”: Risk, Social Mobility and the Postsecondary Decisions of Low-Income Students” #CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvent
CCPR Workshop 10/29/25, Applying for the F31 National Research Service Award (NRSA) Fellowship #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
October 29, 2025 at 3:00 PM
CCPR Workshop 10/29/25, Applying for the F31 National Research Service Award (NRSA) Fellowship #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
CCPR Workshop 10/22/25: Marco Tabellini, Harvard Business School, “Climate Matching in Migration: From the American Frontier to Prehistory” #CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
October 22, 2025 at 3:00 PM
CCPR Workshop 10/22/25: Marco Tabellini, Harvard Business School, “Climate Matching in Migration: From the American Frontier to Prehistory” #CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
CCPR Miniconference 10/17: “Fertility and Demographic Change” #CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #miniconference
October 15, 2025 at 3:00 PM
CCPR Miniconference 10/17: “Fertility and Demographic Change” #CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #miniconference
CCPR Workshop 10/15: Brandon Stewart, Princeton University, “Using Large Language Model Annotations for the Social Sciences: A General Framework of Using Predicted Variables in Statistical
Analyses” #CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
Analyses” #CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
October 15, 2025 at 2:59 PM
CCPR Workshop 10/15: Brandon Stewart, Princeton University, “Using Large Language Model Annotations for the Social Sciences: A General Framework of Using Predicted Variables in Statistical
Analyses” #CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
Analyses” #CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
CCPR Welcome Events 10/8: Welcome and Orientation for Grad Students at 11:00 am; CCPR Welcome Event and Reception at 12:00 pm; Computing and Data Orientation Workshop today at 12:30 pm! #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
October 8, 2025 at 3:00 PM
CCPR Welcome Events 10/8: Welcome and Orientation for Grad Students at 11:00 am; CCPR Welcome Event and Reception at 12:00 pm; Computing and Data Orientation Workshop today at 12:30 pm! #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
Join us this week for CCPR’s Welcome Events and Computing Workshop!
#CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Welcome
#CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Welcome
October 6, 2025 at 8:58 PM
Join us this week for CCPR’s Welcome Events and Computing Workshop!
#CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Welcome
#CCPR #UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Welcome
Kara Rudolph, Columbia University, "Causal Mediation Workshop” CCPR Workshop today at 12:00pm! #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
October 1, 2025 at 3:00 PM
Kara Rudolph, Columbia University, "Causal Mediation Workshop” CCPR Workshop today at 12:00pm! #CCPR #UCLA @UCLA #CCPRWednesdays #UCLAEvent #CampusEvents #Workshop
New research brief by CCPR’s Randall Kuhn & Jessie Chien: Over 1/3 of unhoused Angelenos were affected by June 2025 ICE raids, protests & curfews—facing displacement, danger & injury. Outdoor sleepers were 2x more likely to experience negative effects.
hpri.usc.edu/homeless_res...
hpri.usc.edu/homeless_res...
Periodic Assessment of Trajectories of Housing, Homelessness, and Health Study (PATHS) June 2025 Update: Impact of Immigration Raids on Los Angeles’ Unhoused Community
The recent wave of immigration enforcement raids sweeping across Los Angeles has severely undermined the safety and well-being of communities of color and other marginalized groups. Among those most v...
hpri.usc.edu
August 13, 2025 at 11:30 PM
New research brief by CCPR’s Randall Kuhn & Jessie Chien: Over 1/3 of unhoused Angelenos were affected by June 2025 ICE raids, protests & curfews—facing displacement, danger & injury. Outdoor sleepers were 2x more likely to experience negative effects.
hpri.usc.edu/homeless_res...
hpri.usc.edu/homeless_res...