一桥大学

Professor Mandy Ryan (Emeritus Professor, Health Economics Research Unit, University of Aberdeen / Specially Appointed Professor, Hitotsubashi Institute for Advanced Study (HIAS)) has been ranked second in the world in the field of discrete choice analysis by ScholarGPS.Learn more (External link)Mandy Ryan (Emeritus Professor, Health Economics Research Unit (HERU), University of Aberdeen (Scotland))Click [here] to learn more about HIAS BRIDG

Welcoming Assistant Professor Peiran Li, Hitotsubashi Institute for Advanced Study (HIAS) held the 27th HIAS Brown Bag Seminar on 9 April 2026. His presentation, “Using Mobile Phone Data for Spatial Information Science: Generation, Inference, and Applications”, was very well-received by all attendees.The HIAS Brown Bag Seminar is a seminar series hosted by Hitotsubashi Institute for Advanced Study (HIAS). The seminar series aims to promote intera

The Hitotsubashi Institute for Advanced Study (HIAS) is pleased to announce that its Discussion Paper No. HIAS‑E‑150, “How Did People Tweet against Inflation in Japan?” authored by Toshitaka Sekine (Graduate School of Economics, Hitotsubashi University) and Tetsuro Wada (Finatext Ltd.), has been published in the leading economics journal The Japanese Economic Review.This paper was originally presented at the JER‑HIAS‑Kakenhi J

Abstract:We evaluate the macroeconomic effects of unconventional monetary policy (UMP) in Japan, focusing in particular on the Quantitative and Qualitative Monetary Easing (QQE) implemented during Governor Haruhiko Kuroda’s tenure. To identify UMP shocks, we impose narrative sign restrictions on structural shocks and on historical decompositions, exploiting three major policy episodes that generated significant surprises in financial markets. Our

Abstract:This paper studies how currency conversion can disrupt relative prices by impairing the unit-ofaccountfunction of money. We examine Okinawa’s 1972 conversion from the U.S. dollar to theJapanese yen, following the collapse of a previously shared unit-of-account triggered by the Nixonshock. Using wholesale price data for perishable goods, we showthat relative prices exhibited sharpchanges despite flexible prices. By contrast, Okinawa’s 195