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セミナー予定 (2026年度 春)

Seminar Schedules (AY2026 Spring)

阪本 浩章 (神戸大学経済学研究科)

Hiroaki Sakamoto (Graduate School of Economics, Kobe University)

日時 date：2026年5月28日（木 Thurs） Google Calendar

時間 time：16:30-18:00

タイトル title：Context inference, identity, and prosocial behaviors: Theory and evidence from CO2 mitigation (with Bruno Lanz)

発表言語 language：TBA

会場 venue：教授研究棟 03-G会議室  Room 03-G in Research Building

概要 abstract ：This paper investigates how policy cues shape prosocial behavior through context inference. We develop a model in which agents use monetary and environmental cues to infer whether effort is primarily a market transaction or a prosocial act. Because identity is activated when actions are perceived as prosocial, the model predicts that combining monetary incentives with prosocial framing can generate subadditive treatment effects, heterogeneous responses by identity, and selection on participation.

To test these predictions, we conducted an online experiment involving real-effort tasks with different monetary incentives and information on CO2 mitigation. Our findings reveal that while both monetary incentives and prosocial contexts enhance effort independently, their combined effect is significantly subadditive. This overall effect masks considerable heterogeneity: holding monetary incentives fixed, stronger CO2 framing boosts effort among individuals with lower prosocial identity but diminishes it for those with higher prosocial identity. Additionally, high monetary incentives within a prosocial context tend to lower participation rates among high-identity individuals, leading to adverse selection among participants. Cognitive sophistication does not account for these patterns, and moral reminders have limited effects, indicating that context inference and identity are the primary drivers. The results underscore that the effectiveness of policy mixes depends not only on the material and prosocial incentives they offer, but also on how they alter the perceived social meaning of actions.

善如 悠介 (神戸大学経営学研究科 )

Yusuke Zennyo (Graduate School of Business Administration, Kobe University)

日時 date：2026年6月4日（木 Thurs） Google Calendar

時間 time：16:30-18:00

タイトル title：Seller Opt-Out and the Pricing of Platform Services 

発表言語 language：TBA

会場 venue：教授研究棟 03-G会議室  Room 03-G in Research Building

概要 abstract ：TBA

佐々木 優 (東京大学大学院経済学研究科・経済学部)

Yu Sasaki (Graduate School of Economics and the Faculty of Economics, University of Tokyo)

日時 date：2026年6月11日（木 Thurs） Google Calendar

時間 time：16:30-18:00

タイトル title：The Counter-Reformation, Religious Conformity, and the Political Discourse in Prerevolutionary France

発表言語 language：English

会場 venue：教授研究棟 03-G会議室  Room 03-G in Research Building

概要 abstract ：In this paper I explain the timing of censorship in prerevolutionary France. While the political economy literature focuses on the role of the Protestant Reformation to explain state responses to new religious expressions, it has difficulty understanding why Catholic societies experienced intense censorship around the Reformation. Drawing on the French case, I describe how the Counter-Reformation renewed pietism among the Catholics and, facilitated by Louis XIV's own beliefs, moved France toward religious conformity. The Catholic church became the main enforcer and in this effort engaged in a debate with Enlightenment thinkers, many of whose works were banned. I seek to capture the intensity and evolution of the debate quantitatively. Evidence is based on a new dataset of 3,379 publications from 1670 to 1789 and on text-analysis tools. First, I extract frequently-used words from book titles. Second, based on this information, I investigate how overlapping or contentious the discourse was by applying a naive Bayes classifier. The analysis of performance suggests that these elites engaged with each other despite the diverging worldviews. 

鈴木 崇文  (愛知淑徳大学ビジネス学部 )

Takafumi Suzuki (Faculty of Business, Aichi Shukutoku University)

日時 date：2026年6月25日（木 Thurs） Google Calendar

時間 time：16:30-18:00

タイトル title：TBA

発表言語 language：TBA

会場 venue：教授研究棟 03-G会議室  Room 03-G in Research Building

概要 abstract ：TBA

Thomas Monnier (一橋大学社会科学高等研究院 )

Thomas Monnier (Hitotsubashi Institute for Advanced Study)

日時 date：2026年7月2日（木 Thurs） Google Calendar

時間 time：16:30-18:00

タイトル title：TBA

発表言語 language：English

会場 venue：教授研究棟 03-G会議室  Room 03-G in Research Building

概要 abstract ：TBA

西田成佑 (ウィスコンシン大学　マディソン校)

Masahiro Nishida (University of Wisconsin-Madison )

日時 date：2026年7月16日（木 Thurs） Google Calendar

時間 time：16:30-18:00

タイトル title：TBA

発表言語 language：TBA

会場 venue：教授研究棟 03-G会議室  Room 03-G in Research Building

概要 abstract ：TBA

向山 敏彦 (ジョージタウン大学 経済学部)

Toshihiko Mukoyama (Department of Economics, Georgetown University)

日時 date：2026年7月23日（木 Thurs） Google Calendar

時間 time：16:30-18:00

タイトル title：TBA

発表言語 language：TBA

会場 venue：教授研究棟 03-G会議室  Room 03-G in Research Building

概要 abstract ：TBA