The NBER has awarded four Robert Summers fellowships that enable economic statisticians to attend the Conference on Research in Income and Wealth (CRIW) meeting on July 20–21, 2026, in Cambridge, MA.

The rise of superstar firms has made dominant companies central to modern economic life, and antitrust enforcement is one of the main policy tools for regulating their market power. Public opinion can ...

We study the causes and consequences of bank runs. By applying large language models to historical newspapers, we create a comprehensive database of bank runs in U.S. history with information on 3,984 ...

We study human capital in venture capital (VC) using a new dataset covering over 100,000 professionals affiliated with U.S. VC firms. Investment success is extremely concentrated: fewer than 40% of ...

Physicians in the U.S. military health care system are quasi-randomly assigned to combat deployments, leading to gaps of varying durations in their clinical practice. We leverage this unique setting ...

Christian Valencia received his Ph.D. in Agricultural and Applied Economics from the University of Illinois at Urbana-Champaign. His research sits at the intersection of labor and agricultural ...

We document state variation in Medicaid coverage for obesity-indicated GLP-1 medications over time, and use a stacked difference-in-differences design to estimate the effects of coverage on ...

Deportation is often framed as a necessary tool to protect public safety by removing people who commit crimes. We use newly available, and externally validated, administrative data containing US ...

The H-1B program lets firms hire high-skill foreign workers for a six-year term. The annual number of visas allocated to for-profit firms is capped at 85,000 and there is excess demand for those visas ...

Using a comprehensive dataset of posts from a major platform for anime- and manga-style artwork, we study the impact of the launch of a prominent text-to-image generative AI. Focusing on the majority ...

This paper studies the labor market effects of recent state-level policies that require employers to disclose salary information in job postings. Leveraging a difference-in-differences design, we show ...

This study presents the first evidence, to our knowledge, of the effects of the surge in interior immigration apprehensions in 2025 in the United States on student academic performance using detailed ...