"Takeo Hori,Ryonghun Im","Asset Bubbles, Entrepreneurial Risks, and Economic Growth",,"Journal of Economic Theory","Elsevier","  210",,"  105663-105663",2023,June
"Takeo Hori,Ryonghun Im","Speculative Bubbles, Aggregate Demand, and Amplification Mechanism","青山学院経済ワークショップ",,,,,,2021,Mar.
"堀健夫,Im Ryonghun","第11回リスク研究センター主催 経済成長セミナー『Bubbles, Uninsured Risky Investment, and Endogenous Growth』","第11回リスク研究センター主催 経済成長セミナー",,,,,,2019,Jan.