10 papers
Are Final Market Prices Sufficient for Information Aggregation? Evidence from Last-Minute Dynamics in Parimutuel Betting
Hiroaki Hanyu, Shunsuke Ishii, Suguru Otani +1
This study presents evidence challenging the practice of inferring risk preferences, probability perceptions, and beliefs from parimutuel betting markets, where wagers cannot be ma…
Designing Recommendation Exposure and Favorite Lists: A Field Experiment in a Spot-Work Platform
Kazuki Sekiya, Suguru Otani, Yuki Komatsu +3
How should recommender systems be designed when recommendations shape access to scarce, short-lived opportunities? We study this question in a production setting: Timee, Japan's la…
Nonparametric Estimation of Matching Efficiency and Elasticity in a Spot Gig Work Platform: 2019-2023
Hayato Kanayama, Suguru Otani
This paper provides new evidence on spot gig work platforms for individuals seeking flexible, short-term jobs with minimal educational or experience requirements in Japan. Using pr…
Elite Formation and Family Structure in Prewar Japan: Evidence from the Personnel Inquiry Records
Hiroshi Kumanomido, Suguru Otani, Yutaro Takayasu
This paper introduces a newly constructed individual-level dataset of prewar Japanese elites using the ``Who's Who'' directories published in 1903--1939. Covering approximately the…
Marital Sorting on Pre-Marital Preferences for Household Behavior
Chihiro Inoue, Yusuke Ishihata, Suguru Otani
We examine marital sorting using novel data from a marriage-matching platform that records both a dating-to-marriage pipeline and pre-marital attributes, including preferences for…
Just After Minimum Wage Hikes: Short-Run Labor-Demand Response and Reallocation
Hayato Kanayama, Sho Miyaji, Suguru Otani
How labor markets adjust immediately after minimum wage hikes remains an open, policy-relevant question. This paper studies short-run minimum-wage effects in Japan's spot labor mar…