• Welcome to the personal website of Ryoga Doi.

• I'm a PhD student at Keio University, Japan.

• My interest is in Social Choice and Mechanism Design.

• Publications

1. Condorcet-loser dominance between the plurality rule and other scoring rules (with Noriaki Okamoto), Economics Letters, 2024, vol.237, 111652.

• Awards

1.  Kanematsu Prize, RIEB, Kobe University, 2025.

• Working papers

1. Assignment markets for homogeneous goods when homogeneity is heterogeneous across buyers (with Noriaki Okamoto and Toyotaka Sakai)

2. Assistance-proofness in ranking aggregation

   • R&R at Journal of Mathematical Economics

3. Condorcet-loser dominance among scoring rules (with Kensei Nakamura)

   • R&R at Social Choice and Welfare

4. Designing choice under knapsack constraints (with Tetsutaro Hatakeyama)

• Email

doiryouga[at]keio<dot>jp