Research Briefs·Jul 9, 2025

Measuring Markets for Network Goods

Leonardo Bursztyn, Matthew Gentzkow, Rafael Jiménez-Durán, Aaron Leanord, Filip Milojević, and Christopher Roth
Users value apps like Instagram and YouTube more when TikTok is collectively banned than when TikTok is individually deactivated, suggesting the importance of accounting for network effects when defining markets.
Research Briefs·Jul 9, 2025

Administrative Fragmentation in Health Care

Riley League and Maggie Shi
A recent Medicare reform that aimed to reduce administrative fragmentation by consolidating billing processes successfully reduced fragmentation, but had only modest effects on administrative efficiency and no discernible impact on patient outcomes or hospital administrative costs.
Research Briefs·Jun 27, 2025

Meaning at Work

Nava Ashraf, Oriana Bandiera, Virginia Minni, and Luigi Zingales
Randomly implementing an intervention that helps white collar employees at a multinational consumer goods firm find meaning at work leads low-performing employees to exit the firm, and remaining employees to improve their performance. As a result, compensation increases.
Research Briefs·Jun 25, 2025

Firm Premia and Match Effects in Pay vs. Amenities

Anders Humlum, Mette Rasmussen, and Evan K. Rose
Non-wage job amenities vary significantly across firms and play a major role in shaping workers’ overall job utility. High-paying firms often offer worse amenities, and over half of the wage advantage is offset by these tradeoffs, driven largely by worker-firm...
Research Briefs·Jun 18, 2025

Authoritarian Propaganda and Social Networks

Konstantin Sonin
Authoritarian propaganda is most effective in either highly atomized or fully connected ones, and least effective at intermediate levels of connectivity.
Research Briefs·Jun 18, 2025

The Reverse Cargo Cult: Why Authoritarian Governments Lie to Their People

Konstantin Sonin
Verifiable lies told by politicians change citizens’ perceptions of politicians generally and reduce citizen’s willingness to replace their leaders.
Research Briefs·Jun 18, 2025

Stablecoin Runs and the Centralization of Arbitrage

Yiming Ma, Yao Zeng, and Anthony Lee Zhang
Stablecoins are vulnerable to panic runs due to their reliance on imperfectly liquid reserve assets. They also face price instability due to a market structure that often concentrates arbitrage among a few participants. Issuers face a fundamental tradeoff: increasing arbitrage...
Research Briefs·Jun 11, 2025

Saved by Medicaid: New Evidence on Health Insurance and Mortality from the Universe of Low-Income Adults

Angela Wyse and Bruce Meyer
Recent Medicaid expansions increased enrollment by 12 percentage points and reduced mortality by 2.5% among low-income adults, saving roughly 27,400 lives for only $5.4 million and $179,000 per life and life-year saved, respectively.
Research Briefs·Jun 11, 2025

The Persistence of Female Political Power in Africa

Siwan Anderson, Sophia du Plessis, Sahar Parsa, and James Robinson
Regions and ethnic groups in Africa with a higher historical prevalence of traditional female political leadership tend to have a higher proportion of elected female representatives in today’s political institutions. Institutional, rather than economic, factors significantly shape the traditional political...
Research Briefs·Jun 11, 2025

Mechanism Design for Personalized Policy: A Field Experiment Incentivizing Exercise

Rebecca Dizon-Ross and Ariel D. Zucker
Personalizing policies can substantially improve program performance; in a case involving exercise incentives for individuals with lifestyle-related health conditions, such policies increased the treatment effect of incentives by 80% without increasing program costs.