I work on decision theory.
Email: shoheiyanagita [at] gmail.com
CV (under construction)
Employment
Assistant professor, Takasaki City University of Economics (with tenure) 2026-current
Research fellow, JSPS (DC1) 2023-2026
Education
Ph.D. Hitotsubashi University, 2026
M.A. Hitotsubashi University, 2023
B.A. Hitotsubashi University, 2021
Publication
Overreacting to a black box, Journal of Mathematical Economics, 2025, Volume 118, 103131
Skeptical and credulous belief updating under black box recommendations, Mathematical Social Sciences, 2026, Volume 140, 102502
Working papers
Costly Bayesian Optimism, R&R Economic Theory
Cautious Dual-Self Expected Utility and Weak Uncertainty Aversion (joint with Kensei Nakamura)
Preferences with multiple forecasts (joint with Kensei Nakamura)
Incentive to Leave Costly Reviews (joint with Shinpei Noguchi)
Partially rational preferences under ambiguity (joint with Kensei Nakamura)
A note on the foundations of Grether’s α-β rule
To be presented at the JEA 2026 Spring Meeting (poster) 🐥
Approximate Bayesian Updating with Complex Clues
To be presented at SSCW 2026
Selected works in progress
A model of robust Bayesian persuasion (joint with Wataru Kitano)
Weighting, Filtering, and Bayesian Updating (joint with Eisuke Uchida)
To be presented at Microeconomics Workshop (Keio)
Learning with costly attention (joint with Kemal Ozbek and Norio Takeoka)