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A paper revealing how perceived military threats reduce public support for Japan’s participation in the Treaty on the Prohibition of Nuclear Weapons through a survey experiment (with Takaya Kanno, under review).
A paper addressing the puzzle of why there are more women legislators in the upper house than in the lower house of the Japanese Diet, through two survey experiments (with Yoshikuni Ono and Yuko Kasuya, under review).
A paper estimating the ideal points of Supreme Court justices in Japan from their voting behavior, using the dynamic item response theory model (under review).
A paper investigating how party and ideology cues impact ideological consistency among Japanese citizens, providing insights into the origins of their ideological beliefs (under review).
A paper showing that female politicians are as likely as male politicians to persuade voters with their policy statements, through vignette experiments in the United States and Japan (with Ikuma Ogura, under review).
A paper examining the impact of social conformity pressure on support for sexist politicians, using Rodrigo Duterte's “rape joke” in the Philippines as a case study (with Yuko Kasuya and Cleo Anne Calimbahin, under review).
A paper revealing how partisan motivated reasoning and majoritarian views of democracy lead to voter acceptance of executive power grabs, using a survey experiment in Japan (with Ikuma Ogura and Yuko Kasuya, under review).
A paper that explores how junior partners in coalition governments use parliamentary speech to compromise with or differentiate from their senior partner, focusing on the LDP-Komeito alliance in Japan (with Kazuhiro Atsumi, Naofumi Fujimura, Yoshinobu Kano, and Naoto Nonaka, in progress).
A paper examining the rally 'round the flag effect in Japan with weekly polling data (with Tomoya Sasaki, in progress).
A paper investigating how the block vote system affects voter preferences for female candidates in Japan, using a survey experiment (with Yoshikuni Ono and Yuko Kasuya, in progress).
A paper proposing new measures of affective polarization in multi-party system countries (with Ikuma Ogura and Yuko Kasuya, in progress).
A paper proposing a mixture model to identify individuals with belief systems similar to political elites, applying it to elite and mass surveys in the United States and Japan (in progress).
A paper demonstrating how the Japanese government strategically times death penalty executions based on its approval rating (in progress).
A paper showing that the racial hierarchy in the United States is not mirrored in Japan, using a conjoint experiment with facial photographs (with Akira Igarashi and Yoshikuni Ono, in progress).
A paper investigating the significance of partisanship for voters in five countries through conjoint experiments (with Ikuma Ogura, in progress).
A paper providing measures of parties' ideal points over six decades in postwar Japan, using legislative speech data (with Tomoki Kaneko and Taka-aki Asano, in progress).