• Welcome to the personal website of Ryoga Doi.

• I'm a Ph.D. 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

3. Possibility and impossibility of choice rule under knapsack constraints (with Tetsutaro Hatakeyama)

4. Price convergence in prediction markets with risk-neutral, budget-constrained traders (with Kazumasa Ikeda)

• Email

doiryouga[at]keio<dot>jp