Research | Takuma Iwasaki | Gun Policy, Causal Inference, Corporate Governance

Peer-Reviewed Publication

School Shootings and the Strategic Contributions of Gun Policy PACs in US House Elections

Eric A. Baldwin, Takuma Iwasaki (co-first author), and John J. Donohue.
Proceedings of the National Academy of Sciences, 123(9): e2514343123, 2026.

Paper · Replication Package · Op-ed in Time and Newsweek

Working Papers

Loaded Chambers: Organized Interests, Public Opinion, and Policy Responsiveness in the American States

Eric A. Baldwin, Takuma Iwasaki (co-first author), John J. Donohue, and Tai Markman.
National Bureau of Economic Research, No. w34970, 2026.

Paper

How to Stabilize Corporate DEI Amid Backlash? Caremark and International Soft Law

Takuma Iwasaki (first author) and Masaki Fujita, 2026.

Paper

Software

nonabsdid

R package for visualizing and comparing staggered DID event-study estimates under non-absorbing treatment.

Selected Presentations

Annual Conference on Empirical Legal Studies (2025); Stanford Data Science Conference (2024, 2025); Annual Conference of the Society for Causal Inference (2024); Causal Science Conference at Stanford Causal Science Center (2022, 2023); Global Meeting of the Law and Society Association (2022).