Collaborative Health Economics Seminar Series (CHESS)
The Collaborative Health Economics Seminar Series (CHESS) aims to disseminate current research in health economics at an advanced technical level. The seminars are not recorded. Please email Lorens Helmchen if you'd like to be added to the mailing list.
Seminar organizers: Lorens Helmchen, Avi Dor
Academic Year 2025-2026
| Date | Format | Speaker | Affiliation | Presentation Title |
| Dec 4 | hybrid | Adam Bloomfield | FDIC | Playing Catch-up with Health Savings |
| Feb 5 | online | Kelli Marquardt | Chicago Fed | Hospital Quality and Capacity Strain: Equilibrium Effects on Health Outcomes |
| Mar 5 | online | Christopher Whaley | Brown | |
| Apr 2 | online | Lauren Hersch Nicholas | UC Denver | |
| May 7 | online | Zach Brown | Michigan |
Academic Year 2024-2025
| Date | Format | Speaker | Affiliation | Presentation Title |
| Oct 2 | hybrid | Nicholas Tilipman | Johns Hopkins University | Provider Market Power and Adverse Selection in Health Insurance Markets: Evidence from the California Benefits Exchange |
| Nov 6 | hybrid | Effrosyni Adamopoulou | ZEW Leibniz Centre for European Economic Research | The Role of Friends in the Opioid Epidemic |
| Feb 6 | hybrid | Matthew Zahn | Bates White | Entry and Competition in Insurance Markets: Evidence from Medicare Advantage |
| Mar 6 | hybrid | Thomas A. Hegland | AHRQ | Do Multi-State Firms Cause State Health Policies to Have Inter-State Spillover Effects? Evidence from the Affordable Care Act Medicaid Expansions |
| Apr 3 | hybrid | David Powell | RAND | Using Policy and Innovation to Improve Life-Saving Access to Naloxone |
| May 1 | online only | Tal Gross | Boston University | The Protective Effects of a Healthy Spouse: Medicare as the Family Member of Last Resort |
Academic Year 2023-2024
| Date* | Floor** | Speaker | Affiliation. | Title |
| Oct 5 | hybrid | Martin Karlsson | Duisburg-Essen | Alive and Kicking? Short-Term Health Effects of a Physician Strike in Germany |
| Nov 2 | online | Molly Schnell | Northwestern | The Effects of Competition on Physician Prescribing |
| Dec 7 | hybrid | Thomas Koch | Federal Trade Commission | Insurer-Provider Integration in Healthcare Markets: Evidence from an Insurer Switch |
| Feb 1 | online | Zarek Brot-Goldberg | Chicago | Privatizing Social Health Insurance: Medicare Advantage vs. Traditional Medicare |
| Mar 7 | online | Marcus Dillender | Vanderbilt | Air Pollution, Wildfire Smoke, and Worker Health |
| Apr 4 | online | Alon Bergman | Penn | Measuring Hospital Inpatient Procedure Access Inequality in the United States |
| May 2 | hybrid | Jetson Leder-Luis | Boston University | Can Machine Learning Target Health Care Fraud? Evidence from Medicare Hospitalizations |
Academic Year 2022-2023
| Date* | Floor** | Speaker | Affiliation | Title |
| Sep 1 | online | Salama Freed | GWU | Competition Between Long-Term Care Providers: Evidence From the Introduction of Nursing Home Compare |
| Nov 3 | online | Catherine Maclean | George Mason | Evictions and Psychiatric Treatment |
| Dec 1 | online | Dan Zeltzer | Tel Aviv | The Impacts of Increased Access to Regular and Device-Assisted Telemedicine |
| Feb 2 | online | Jeah Jung | George Mason | Is Medicare Advantage More Efficient Than Traditional Medicare? |
| Mar 2 | online | Elena Prager | Rochester | Regulating Out-of-Network Hospital Payments: Disagreement Payoffs, Negotiated Prices, and Access |
| Apr 6 | online | Paul Eliason | BYU | Ambulance Taxis: The Impact of Regulation and Litigation on Health Care Fraud |
| Apr 13 | online | Philip Held | Stanford | Medicare’s Kidney Transplantation Program: Shortcomings and Solutions |
| May 4 | online | Michael Richards | Baylor/Cornell | Hospital Behavior Over the Private Equity Life Cycle |
Academic Year 2021-2022
| Date* | Floor** | Speaker | Affiliation | Title |
| Oct 7 | online | Anuj Gangopadhyaya | Urban Institute | Racial and Payer Differences in Patient Safety Between and Within Hospitals |
| Nov 4 | online | Joshua Gottlieb | Chicago | The Rise of Healthcare Jobs |
| Dec 2 | online | Alice Chen | Southern California | Does Growth in Pharmaceutical Demand Raise R&D Costs? Evidence from Medicare Part D |
| Feb 3 | online | Erdal Tekin | American | Public Health Policy at Scale: Impact of a Government-Sponsored Information Campaign on Infant Mortality in Denmark |
| Mar 3 | online | Leila Agha | Dartmouth | Fixing Misallocation with Guidelines: Awareness vs. Adherence |
| Apr 7 | online | Benjamin Avuwadah | Florida / GW | Impacts of armed conflict on household dietary diversity and food consumption patterns: Evidence from Nigeria |
| May 5 | online | Adam Leive | Virginia | Is Adverse Selection Progressive? Theory and Evidence from Health Insurance Choices |
Academic Year 2020-2021
| Date* | Floor** | Speaker | Affiliation | Title |
| Sep 3 | online | Len Nichols | Urban Institute | Collaborative Financing of Social Determinants of Health: Before and After COVID-19 |
| Oct 1 | online | Alessandra Fenizia | GWU | The Health Impacts of Hospital Delivery Practices |
| Nov 5 | online | Kelly Jones | American | Targeted Regulations on Abortion Providers: Impacts on Women's Education and Future Income |
| Dec 3 | online | Sebastian Tello-Trillo | Virginia | The Introduction of PrEP and HIV: Incidence, Mortality and Heterogeneity |
| Feb 4 | online | Radhika Jain | Stanford | Private Hospital Responses to Reimbursement Changes Under Public Insurance: Evidence From India |
| Mar 4 | online | Phil Saynisch | NCQA | Model Homes: Evaluating Approaches to Patient-Centered Medical Home Implementation |
| Apr 1 | online | Marion Aouad | UC Irvine | An Examination of the Intracorrelation of Family Health Insurance |
| May 6 | online | Benjamin Ukert | Texas A&M | How do "Must Access" Prescription Drug Monitoring Programs Address Opioid Misuse? |
Academic Year 2019-2020
| Date* | Floor** | Speaker | Affiliation | Title |
| Sep 5 | 5 | Jeah Jung | Penn State | Integration and Chemotherapy Spending in Medicare |
| Oct 3 | 5 | Adam Pilny | RWI Essen | Are Doctors Better Health Ministers? |
| Nov 4 | 6 | Andrew Friedson | UC Denver | An Apple a Day? Adult Food Stamp Eligibility and Health Care Utilization Among Immigrants |
| Nov 7 | 6 | Guy David | Wharton | Information, Relative Performance, and Technology Abandonment |
| Dec 5 | 6 | Vincent Pohl | Mathematica | Patient vs. Provider Incentives in Long-Term Care |
| Feb 6 | 6 | Felix Reichling | Penn Wharton Budget Model | Financing Medicare Expansion in the U.S. |
| Mar 5 | 6 | Daniel Polsky | Hopkins | Provider Networks and Health Plan Premium Variation |
| Apr 2 | 6 | Kelly Jones | American | canceled |
| May 7 | 6 | Sebastian Tello-Trillo | Virginia | canceled |
Academic Year 2018-2019
| Date* | Floor** | Speaker | Affiliation | Title |
| Nov 1 | 3 | Ambar La Forgia | Penn | Physician Organization and Incentives in Childbirth: Evidence from Physician Practice Management Companies |
| Nov 8 | 4 | Ian McCarthy | Emory | Physician Behavior and Hospital Influence |
| Nov 15 | 6 | Aparna Soni | Indiana | Health Insurance, Price Changes, and the Demand for Pain Relief Drugs |
| Nov 29 | Ali Moghtaderi | GWU | Damage Caps and Defensive Medicine: Reexamination with Patient Level Data | |
| Apr 4 | 4 | Seth Richards-Shubik | Lehigh | Measuring Quality Effects in Equilibrium |
| May 2 | 6 | Samuel Kleiner | FTC | Hospital Treatment and Patient Outcomes: Evidence from Capacity Constraints |
Academic Year 2017-2018
| Date* | Floor** | Speaker | Affiliation | Title |
| Aug 31 | 6 | Tom Van Ourti | Rotterdam / GWU | Effect of screening mammography on breast-cancer mortality: Quasi-experimental evidence from rollout of the Dutch population-based program with 17-year follow-up of a cohort |
| Sep 14 | 5 | Michael Darden | GWU | Do Hospitals Cost-Shift? New Evidence from the Hospital Readmission Reduction Program. |
| Sep 28 | 5 | Jessica Leight | American | Community Health Educators and Maternal Health: Evidence from a Randomized Controlled Trial |
| Oct 12 | 5 | Keith Finlay | Census | Safety Net Responses to Economic Downturns |
| Oct 26 | 6 | William Encinosa | AHRQ | The Impact of Physician Competition and Vertical Integration on Access, Quality, and Costs |
| Nov 9 | 6 | Zoe McLaren | Michigan | HIV Treatment as Economic Stimulus: Community Spillover Effects of Mass ART Provision in Rural South Africa |
| Dec 6 | 4 | David Chan | Stanford | Price-setting by Committee: Evidence from Medicare |
| Jan 25 | 4 | Ali Moghtaderi | GWU | Impact of Medical Liability Reform on Coronary Artery Disease Management |
| Feb 8 | 4 | Len Nichols | GMU | Using Payment Reform to Reduce Ethnic Disparities Among the Uninsured |
| Feb 22 | 4 | Robert Kaestner | UIC | Education and Health: A Causal Age, Period, and Cohort Analysis |
| Mar 8 | 4 | Anushree Vichare | GWU | Perceptions of Providers’ Communication among the Low-Income: Does Race and Gender Concordance matter? |
| Mar 22 | 6 | Dan Gilligan | IFPRI | Can Agricultural Technology Diffusion be Harnessed to Reduce Malnutrition? Experimental Evidence from Uganda |
| Apr 12 | 6 | Damien de Walque | World Bank | Mitigating under-provision of health services for the poor: A lab-in-the-field experiment in Burkina Faso |
| Apr 26 | 6 | Eric Barrette | Health Care Cost Institute | Bargaining, Competition and Prices in Hospital Markets |