PennLDI
@pennldi.bsky.social
Penn's Leonard Davis Institute of Health Economics is a national leader in advancing health policy through transformative research.
As U.S. health policy priorities shift, our latest virtual seminar asked:
Has value-based care earned its keep, or is it time to rethink the model?
💻 800+ registrants nationwide joined the discussion with our expert panelists.
👀 WATCH the recap: https://bit.ly/3JNCjeo
Has value-based care earned its keep, or is it time to rethink the model?
💻 800+ registrants nationwide joined the discussion with our expert panelists.
👀 WATCH the recap: https://bit.ly/3JNCjeo
After Fifteen Years, is Value-Based Care Succeeding?
Penn LDI Debates the Pros and Cons of Payment Policy Change
ldi.upenn.edu
November 13, 2025 at 9:07 PM
As U.S. health policy priorities shift, our latest virtual seminar asked:
Has value-based care earned its keep, or is it time to rethink the model?
💻 800+ registrants nationwide joined the discussion with our expert panelists.
👀 WATCH the recap: https://bit.ly/3JNCjeo
Has value-based care earned its keep, or is it time to rethink the model?
💻 800+ registrants nationwide joined the discussion with our expert panelists.
👀 WATCH the recap: https://bit.ly/3JNCjeo
New research alert: In a study of over 24,000 Medicare beneficiaries hospitalized with acute kidney injury (AKI), higher nurse-to-patient ratios and greater levels of nurse education were associated with lower odds of 30-day mortality. Read the full study: https://bit.ly/3LD5WQ7
The Impact of Nurse Staffing and Education on 30‐Day Mortality Among Patients Hospitalized for Acute Kidney Injury
Acute kidney injury (AKI) affects approximately 20% of hospitalized patients and is associated with higher mortality, extended hospital stay, and increased costs. While various strategies have been p...
onlinelibrary.wiley.com
November 13, 2025 at 7:05 PM
New research alert: In a study of over 24,000 Medicare beneficiaries hospitalized with acute kidney injury (AKI), higher nurse-to-patient ratios and greater levels of nurse education were associated with lower odds of 30-day mortality. Read the full study: https://bit.ly/3LD5WQ7
As AI reshapes health care—from reading X-rays to writing notes—the National Academy of Medicine has released an AI Code of Conduct.
LDI Fellow @kbjohnsonmd.bsky.social helped author it: "This report was needed to bring some order to the chaos." See more on our blog:
https://bit.ly/43t2k9q
LDI Fellow @kbjohnsonmd.bsky.social helped author it: "This report was needed to bring some order to the chaos." See more on our blog:
https://bit.ly/43t2k9q
National Academy of Medicine Issues Code of Conduct to Guide Health Care’s AI Revolution
A new National Academy of Medicine report provides a sweeping set of codes and commitments to harness AI’s benefits without sacrificing ethics, safety, or fairness
ldi.upenn.edu
November 13, 2025 at 4:12 PM
As AI reshapes health care—from reading X-rays to writing notes—the National Academy of Medicine has released an AI Code of Conduct.
LDI Fellow @kbjohnsonmd.bsky.social helped author it: "This report was needed to bring some order to the chaos." See more on our blog:
https://bit.ly/43t2k9q
LDI Fellow @kbjohnsonmd.bsky.social helped author it: "This report was needed to bring some order to the chaos." See more on our blog:
https://bit.ly/43t2k9q
Join us for our next virtual seminar:
"Artificial Intelligence in Medical Education: Opportunities, Risks, and a Future Research Agenda"
🗓️ Tue Nov 18 | 12-1 PM ET
📍 Virtual
🔗 Register: https://bit.ly/4nLLTMz
"Artificial Intelligence in Medical Education: Opportunities, Risks, and a Future Research Agenda"
🗓️ Tue Nov 18 | 12-1 PM ET
📍 Virtual
🔗 Register: https://bit.ly/4nLLTMz
Artificial Intelligence in Medical Education
This panel will explore these competing visions for the future of medical training and highlight research, policy, and curricular strategies to ensure AI strengthens rather than weakens the education ...
ldi.upenn.edu
November 12, 2025 at 6:06 PM
Join us for our next virtual seminar:
"Artificial Intelligence in Medical Education: Opportunities, Risks, and a Future Research Agenda"
🗓️ Tue Nov 18 | 12-1 PM ET
📍 Virtual
🔗 Register: https://bit.ly/4nLLTMz
"Artificial Intelligence in Medical Education: Opportunities, Risks, and a Future Research Agenda"
🗓️ Tue Nov 18 | 12-1 PM ET
📍 Virtual
🔗 Register: https://bit.ly/4nLLTMz
Join us today at 12:00 p.m. for our research seminar with Zack Cooper of @yalesph.bsky.social! ⤵️
"Does it Matter for Your Health if Your Hospital is Private Equity Owned?"
Join us this Wednesday, Nov 12 for a Research Seminar with Zack Cooper of @yalesph.bsky.social
Open to @@upenn.edu affiliates. Register here:
https://ldi.upenn.edu/events/research-seminar-with-zack-cooper-phd-2/
Join us this Wednesday, Nov 12 for a Research Seminar with Zack Cooper of @yalesph.bsky.social
Open to @@upenn.edu affiliates. Register here:
https://ldi.upenn.edu/events/research-seminar-with-zack-cooper-phd-2/
Research Seminar with Zack Cooper, PhD
Zack Cooper, PhD is an Associate Professor of Public Health and Associate Professor of Economics at Yale University.
ldi.upenn.edu
November 12, 2025 at 3:44 PM
Join us today at 12:00 p.m. for our research seminar with Zack Cooper of @yalesph.bsky.social! ⤵️
How can the U.S. build a stronger, smarter health data system?
LDI Fellow Julia Lynch of @sas.upenn.edu shares 6 lessons from Europe to improve how we collect & use health information, based on her recent @jhppl.bsky.social article.
https://bit.ly/4qROrLW
LDI Fellow Julia Lynch of @sas.upenn.edu shares 6 lessons from Europe to improve how we collect & use health information, based on her recent @jhppl.bsky.social article.
https://bit.ly/4qROrLW
How to Improve the U.S. Health Data Infrastructure
LDI Senior Fellow Julia Lynch shares six lessons the U.S. can learn from Europe about protecting health data linkages.
bit.ly
November 12, 2025 at 2:03 PM
How can the U.S. build a stronger, smarter health data system?
LDI Fellow Julia Lynch of @sas.upenn.edu shares 6 lessons from Europe to improve how we collect & use health information, based on her recent @jhppl.bsky.social article.
https://bit.ly/4qROrLW
LDI Fellow Julia Lynch of @sas.upenn.edu shares 6 lessons from Europe to improve how we collect & use health information, based on her recent @jhppl.bsky.social article.
https://bit.ly/4qROrLW
💡 A national study of Medicare Advantage risk-based contracts found no consistent reductions in health care use or low-value care.
Published in @jamainternalmed.com, authors include LDI Fellows Aaron Schwartz, Sumedha Chhatre, and Amol S. Navathe.
👉 Details on our blog: https://bit.ly/43ZuRUb
Published in @jamainternalmed.com, authors include LDI Fellows Aaron Schwartz, Sumedha Chhatre, and Amol S. Navathe.
👉 Details on our blog: https://bit.ly/43ZuRUb
Medicare Advantage Risk-Based Provider Payments
Except for ED visits and unnecessary stress testing, no measures changed when health care organizations moved to risk-based contracts or increased risk.
ldi.upenn.edu
November 11, 2025 at 4:13 PM
💡 A national study of Medicare Advantage risk-based contracts found no consistent reductions in health care use or low-value care.
Published in @jamainternalmed.com, authors include LDI Fellows Aaron Schwartz, Sumedha Chhatre, and Amol S. Navathe.
👉 Details on our blog: https://bit.ly/43ZuRUb
Published in @jamainternalmed.com, authors include LDI Fellows Aaron Schwartz, Sumedha Chhatre, and Amol S. Navathe.
👉 Details on our blog: https://bit.ly/43ZuRUb
Reposted by PennLDI
New in @thelancet.com: a follow-up to our @nature.com paper on cash transfers and mortality in low- and middle-income countries.
This studies explores *why* cash transfers reduce death, tracing effects on determinants of survival.
free access 🔗: kwnsfk27.r.eu-west-1.awstrack.me/L0/https:%2F...
This studies explores *why* cash transfers reduce death, tracing effects on determinants of survival.
free access 🔗: kwnsfk27.r.eu-west-1.awstrack.me/L0/https:%2F...
November 11, 2025 at 5:00 AM
New in @thelancet.com: a follow-up to our @nature.com paper on cash transfers and mortality in low- and middle-income countries.
This studies explores *why* cash transfers reduce death, tracing effects on determinants of survival.
free access 🔗: kwnsfk27.r.eu-west-1.awstrack.me/L0/https:%2F...
This studies explores *why* cash transfers reduce death, tracing effects on determinants of survival.
free access 🔗: kwnsfk27.r.eu-west-1.awstrack.me/L0/https:%2F...
In a commentary for @jamanetworkopen.com, LDI Fellows Kaustav Shah and Kevin Johnson review the current state of ambient AI scribes, outlining key successes, critiques, and ongoing research on reducing provider burnout.
Read more: https://doi.org/10.1001/jamanetworkopen.2025.34982
Read more: https://doi.org/10.1001/jamanetworkopen.2025.34982
Ambient AI Scribe Early Gains and Open Questions
Ambient AI scribes are the fastest adopted and most widely implemented generative AI health care solution to date.
doi.org
November 11, 2025 at 1:48 PM
In a commentary for @jamanetworkopen.com, LDI Fellows Kaustav Shah and Kevin Johnson review the current state of ambient AI scribes, outlining key successes, critiques, and ongoing research on reducing provider burnout.
Read more: https://doi.org/10.1001/jamanetworkopen.2025.34982
Read more: https://doi.org/10.1001/jamanetworkopen.2025.34982
Reposted by PennLDI
@pennldi.bsky.social "How 60 Years of Change Realigned US Health Law’s Role" features this @jhppl.bsky.social paper by PARC Associate Allison K. Hoffman https://doi.org/10.1215/03616878-11995136
https://ldi.upenn.edu/our-work/research-updates/how-60-years-of-change-realigned-u-s-health-laws-role/
https://ldi.upenn.edu/our-work/research-updates/how-60-years-of-change-realigned-u-s-health-laws-role/
The Changing Role of the Government in American Health Law | Journal of Health Politics, Policy and Law | Duke University Press
doi.org
November 10, 2025 at 4:55 PM
@pennldi.bsky.social "How 60 Years of Change Realigned US Health Law’s Role" features this @jhppl.bsky.social paper by PARC Associate Allison K. Hoffman https://doi.org/10.1215/03616878-11995136
https://ldi.upenn.edu/our-work/research-updates/how-60-years-of-change-realigned-u-s-health-laws-role/
https://ldi.upenn.edu/our-work/research-updates/how-60-years-of-change-realigned-u-s-health-laws-role/
A new study by LDI Fellow Nadir Yehya and colleagues explored why caregivers of children in the pediatric ICU can't be at the bedside as much as they’d like. Job flexibility and local family availability emerged as key themes.
Read the full study: https://bit.ly/3WPODh3
Read the full study: https://bit.ly/3WPODh3
Presence of Families at the Bedside in the PICU: Prospective, Mixed-Methods Study of Race & Insurance Disparities
Pediatric Critical Care Medicine
bit.ly
November 10, 2025 at 5:50 PM
A new study by LDI Fellow Nadir Yehya and colleagues explored why caregivers of children in the pediatric ICU can't be at the bedside as much as they’d like. Job flexibility and local family availability emerged as key themes.
Read the full study: https://bit.ly/3WPODh3
Read the full study: https://bit.ly/3WPODh3
"Does it Matter for Your Health if Your Hospital is Private Equity Owned?"
Join us this Wednesday, Nov 12 for a Research Seminar with Zack Cooper of @yalesph.bsky.social
Open to @@upenn.edu affiliates. Register here:
https://ldi.upenn.edu/events/research-seminar-with-zack-cooper-phd-2/
Join us this Wednesday, Nov 12 for a Research Seminar with Zack Cooper of @yalesph.bsky.social
Open to @@upenn.edu affiliates. Register here:
https://ldi.upenn.edu/events/research-seminar-with-zack-cooper-phd-2/
Research Seminar with Zack Cooper, PhD
Zack Cooper, PhD is an Associate Professor of Public Health and Associate Professor of Economics at Yale University.
ldi.upenn.edu
November 10, 2025 at 4:51 PM
"Does it Matter for Your Health if Your Hospital is Private Equity Owned?"
Join us this Wednesday, Nov 12 for a Research Seminar with Zack Cooper of @yalesph.bsky.social
Open to @@upenn.edu affiliates. Register here:
https://ldi.upenn.edu/events/research-seminar-with-zack-cooper-phd-2/
Join us this Wednesday, Nov 12 for a Research Seminar with Zack Cooper of @yalesph.bsky.social
Open to @@upenn.edu affiliates. Register here:
https://ldi.upenn.edu/events/research-seminar-with-zack-cooper-phd-2/
#ICYMI Penn LDI hit a historic milestone last week — raising $5.5 million to expand our Summer Undergraduate Mentored Research (SUMR) program and LDI initiatives aimed at expanding health care access!
See the news story: https://bit.ly/3XhdH0u
See the news story: https://bit.ly/3XhdH0u
November 10, 2025 at 1:28 PM
#ICYMI Penn LDI hit a historic milestone last week — raising $5.5 million to expand our Summer Undergraduate Mentored Research (SUMR) program and LDI initiatives aimed at expanding health care access!
See the news story: https://bit.ly/3XhdH0u
See the news story: https://bit.ly/3XhdH0u
"Does it Matter for Your Health if Your Hospital is Private Equity Owned?"
Join us this Wednesday Nov 12 for a Research Seminar with Zack Cooper of @yalesph.bsky.social
Open to @upenn.edu affiliates. Register here:
https://ldi.upenn.edu/events/research-seminar-with-zack-cooper-phd-2/
Join us this Wednesday Nov 12 for a Research Seminar with Zack Cooper of @yalesph.bsky.social
Open to @upenn.edu affiliates. Register here:
https://ldi.upenn.edu/events/research-seminar-with-zack-cooper-phd-2/
Research Seminar with Zack Cooper, PhD
Zack Cooper, PhD is an Associate Professor of Public Health and Associate Professor of Economics at Yale University.
ldi.upenn.edu
November 9, 2025 at 6:37 PM
"Does it Matter for Your Health if Your Hospital is Private Equity Owned?"
Join us this Wednesday Nov 12 for a Research Seminar with Zack Cooper of @yalesph.bsky.social
Open to @upenn.edu affiliates. Register here:
https://ldi.upenn.edu/events/research-seminar-with-zack-cooper-phd-2/
Join us this Wednesday Nov 12 for a Research Seminar with Zack Cooper of @yalesph.bsky.social
Open to @upenn.edu affiliates. Register here:
https://ldi.upenn.edu/events/research-seminar-with-zack-cooper-phd-2/
A new book by LDI Fellow Mark V. Pauly of the Wharton School challenges common assumptions in health care management, offers counterintuitive truths backed by economics and evidence, and pulls back the curtain on what many leaders don’t know.
Read more: https://bit.ly/3WBWFdl
Read more: https://bit.ly/3WBWFdl
A New Mark Pauly Book About What Health Care Managers Don't Know
In the 30th book of his career, Wharton's Mark Pauly tells health care managers what they're doing wrong
ldi.upenn.edu
November 8, 2025 at 6:56 PM
A new book by LDI Fellow Mark V. Pauly of the Wharton School challenges common assumptions in health care management, offers counterintuitive truths backed by economics and evidence, and pulls back the curtain on what many leaders don’t know.
Read more: https://bit.ly/3WBWFdl
Read more: https://bit.ly/3WBWFdl
In a Philly @inquirer.com op-ed, LDI Fellow Christina Roberto argues that repealing Philadelphia's sweetened beverage tax would harm the city's children and undermine gains in education, neighborhood revitalization, and health.
🥤 See more: https://bit.ly/480OxJD
🥤 See more: https://bit.ly/480OxJD
A Call to Keep Philadelphia’s Soda Tax
Amid current City Council actions on the soda tax, LDI Senior Fellow Christina Roberto synthesizes research on its impacts for the Philadelphia Inquirer.
bit.ly
November 7, 2025 at 7:18 PM
In a Philly @inquirer.com op-ed, LDI Fellow Christina Roberto argues that repealing Philadelphia's sweetened beverage tax would harm the city's children and undermine gains in education, neighborhood revitalization, and health.
🥤 See more: https://bit.ly/480OxJD
🥤 See more: https://bit.ly/480OxJD
THANK YOU to the hundreds of live attendees from across the U.S. who tuned in for an insightful discussion with experts farzad-md.bsky.social, Andrew Ryan of brownpublichealth.bsky.social and rachelwerner.bsky.social on value-based payment.
Video recap coming next week!
https://bit.ly/47rKRR1
Video recap coming next week!
https://bit.ly/47rKRR1
Value-Based Payment: Time to Replace or Reform?
Virtual seminar
ldi.upenn.edu
November 7, 2025 at 6:09 PM
THANK YOU to the hundreds of live attendees from across the U.S. who tuned in for an insightful discussion with experts farzad-md.bsky.social, Andrew Ryan of brownpublichealth.bsky.social and rachelwerner.bsky.social on value-based payment.
Video recap coming next week!
https://bit.ly/47rKRR1
Video recap coming next week!
https://bit.ly/47rKRR1
We're going LIVE at 12:00pm ET! It’s not too late to register ⤵️
Is it time to replace or reform value-based payment? 💡
Join our virtual event this Friday, November 7 featuring experts @farzad-md.bsky.social, Andrew Ryan of @brownpublichealth.bsky.social and LDI Executive Director @rachelwerner.bsky.social.
Register here:
ldi.upenn.edu/events/value...
Join our virtual event this Friday, November 7 featuring experts @farzad-md.bsky.social, Andrew Ryan of @brownpublichealth.bsky.social and LDI Executive Director @rachelwerner.bsky.social.
Register here:
ldi.upenn.edu/events/value...
Value-Based Payment: Time to Replace or Reform?
Our experts will weigh the pros and cons of value-based payment and its alternatives.
ldi.upenn.edu
November 7, 2025 at 4:04 PM
We're going LIVE at 12:00pm ET! It’s not too late to register ⤵️
Federal efforts to dismantle DEI are also cutting health disparities research.
Derek Griffith and colleagues argue in @amjpublichealth.bsky.social that conflating DEI with disparities science threatens the nation’s economy and health.
Read: https://doi.org/10.2105/AJPH.2025.308268
Derek Griffith and colleagues argue in @amjpublichealth.bsky.social that conflating DEI with disparities science threatens the nation’s economy and health.
Read: https://doi.org/10.2105/AJPH.2025.308268
AJPH
American Journal of Public Health (AJPH) from the American Public Health Association (APHA)
doi.org
November 7, 2025 at 1:47 PM
Federal efforts to dismantle DEI are also cutting health disparities research.
Derek Griffith and colleagues argue in @amjpublichealth.bsky.social that conflating DEI with disparities science threatens the nation’s economy and health.
Read: https://doi.org/10.2105/AJPH.2025.308268
Derek Griffith and colleagues argue in @amjpublichealth.bsky.social that conflating DEI with disparities science threatens the nation’s economy and health.
Read: https://doi.org/10.2105/AJPH.2025.308268
🥳Congratulations to LDI Fellow @guerraviswanath.bsky.social!
Congratulations to @guerraviswanath.bsky.social (@penncancer.bsky.social), inaugural recipient of the Health Equity Scholarship or Research Award! Learn more about Dr. Guerra & her work here➡️ tinyurl.com/yjzmc65c #PSOMAOE @pc3innovation.bsky.social @itmat.bsky.social @pennldi.bsky.social
November 7, 2025 at 1:34 PM
🥳Congratulations to LDI Fellow @guerraviswanath.bsky.social!
In a new @jamanetworkopen.com study, LDI Fellows observed significant racial and ethnic disparities in survival outcomes following pediatric in-hospital CPR.
Read our Q&A with first author Amanda O'Halloran:
https://bit.ly/4hMIA6B
Read our Q&A with first author Amanda O'Halloran:
https://bit.ly/4hMIA6B
Racial Disparities in Pediatric Cardiac Arrest Survival
Equitably improving care for hospitalized children who experience cardiac arrest requires hospital-level changes.
ldi.upenn.edu
November 6, 2025 at 9:34 PM
In a new @jamanetworkopen.com study, LDI Fellows observed significant racial and ethnic disparities in survival outcomes following pediatric in-hospital CPR.
Read our Q&A with first author Amanda O'Halloran:
https://bit.ly/4hMIA6B
Read our Q&A with first author Amanda O'Halloran:
https://bit.ly/4hMIA6B
NEW research from LDI Fellows Dilara Hatipoglu & Nadim Mahmud finds that revisions to U.S. liver transplant allocation policy reduced disparities in wait times by blood type & geography.
See the study:
https://journals.lww.com/lt/abstract/9900/impact_of_acuity_circles_policy_on_abo_blood.713.aspx
See the study:
https://journals.lww.com/lt/abstract/9900/impact_of_acuity_circles_policy_on_abo_blood.713.aspx
Impact of Acuity Circles Policy on ABO Blood Type-Related... : Liver Transplantation
ere included, excluding those with hepatocellular carcinoma exceptions and multi-organ listings. Adjusted Fine-Gray competing risk regression was used to evaluate transplant and waitlist mortality outcomes before and after AC policy implementation. Find...
journals.lww.com
November 6, 2025 at 8:13 PM
NEW research from LDI Fellows Dilara Hatipoglu & Nadim Mahmud finds that revisions to U.S. liver transplant allocation policy reduced disparities in wait times by blood type & geography.
See the study:
https://journals.lww.com/lt/abstract/9900/impact_of_acuity_circles_policy_on_abo_blood.713.aspx
See the study:
https://journals.lww.com/lt/abstract/9900/impact_of_acuity_circles_policy_on_abo_blood.713.aspx
💡 Check out a timely Penn LDI research roundup highlighting key evidence on how SNAP cuts can raise food insecurity and affect health: https://bit.ly/43XF3wm
Understanding the Evidence: SNAP and Health
Studies show SNAP cuts can raise food insecurity and affect health.
ldi.upenn.edu
November 6, 2025 at 5:48 PM
💡 Check out a timely Penn LDI research roundup highlighting key evidence on how SNAP cuts can raise food insecurity and affect health: https://bit.ly/43XF3wm
📣 Funding Opportunities for impactful research to shape the future of health care:
🔹 Penn LDI Research Initiative on Improving Primary Care for Older Adults
🔹 Penn LDI-Penn Medicine Research Laboratory
🔹 Expanding Access to Health Care
Apply before November 10th! ⤵️
https://t.co/oF71SeLFB8
🔹 Penn LDI Research Initiative on Improving Primary Care for Older Adults
🔹 Penn LDI-Penn Medicine Research Laboratory
🔹 Expanding Access to Health Care
Apply before November 10th! ⤵️
https://t.co/oF71SeLFB8
Apply for Research Grants from Penn LDI
Penn LDI offers support to LDI Fellows through several grant programs. Learn about our funding opportunities here.
t.co
November 6, 2025 at 3:52 PM
📣 Funding Opportunities for impactful research to shape the future of health care:
🔹 Penn LDI Research Initiative on Improving Primary Care for Older Adults
🔹 Penn LDI-Penn Medicine Research Laboratory
🔹 Expanding Access to Health Care
Apply before November 10th! ⤵️
https://t.co/oF71SeLFB8
🔹 Penn LDI Research Initiative on Improving Primary Care for Older Adults
🔹 Penn LDI-Penn Medicine Research Laboratory
🔹 Expanding Access to Health Care
Apply before November 10th! ⤵️
https://t.co/oF71SeLFB8
🎉 Congratulations to LDI Fellow Nandita Mitra!
Congratulations to Nandita Mitra (@dbei-upenn.bsky.social), recipient of the Samuel Martin Health Evaluation Sciences Research Award! Learn more about Dr. Mitra & her work here➡️ www.mitrastatslab.com #PSOMAOE @penncancer.bsky.social @pennldi.bsky.social
November 6, 2025 at 2:02 PM
🎉 Congratulations to LDI Fellow Nandita Mitra!