4 citations · 7 across the 11 of their papers we have counts for
12 papers
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…
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…
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…
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…
Nonparametric Estimation of Matching Efficiency and Elasticity in a Marriage Agency Platform: 2014--2025
Suguru Otani
This paper examines monthly matching efficiency in the Japanese marriage market using novel data from IBJ, the country's largest structured matching platform. Unlike administrative…
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…
The Option Value of Contract Duration: Evidence from the U.S. Timber Market
Shosuke Noguchi, Suguru Otani
This study quantifies how contract duration influences buyers' willingness-to-pay (WTP) when they hold real options that allow them to flexibly time consumption in response to chan…
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…
Nonparametric Estimation of Matching Efficiency and Elasticity on a Private On-the-Job Search Platform: Evidence from Japan, 2014-2024
Suguru Otani
I analyze proprietary data from BizReach (2014-2024) to estimate the matching function for high-skill workers on a private on-the-job search platform using Lange and Papageorgiou (…
An MPEC Estimator for the Sequential Search Model
Shinji Koiso, Suguru Otani
This paper proposes a constrained maximum likelihood estimator for sequential search models, using the MPEC (Mathematical Programming with Equilibrium Constraints) approach. This m…
Nonparametric Estimation of Matching Efficiency and Mismatch: An Application to Japanese Labor Markets
Suguru Otani
I identify significant biases in the traditional Cobb-Douglas function under misspecification of nonadditive, time-varying matching efficiency, and evaluate the finite-sample perfo…
Industry Dynamics with Cartels: The Case of the Container Shipping Industry
Suguru Otani
This paper studies how shipping conferences---explicit cartels---shaped container shipping through prices, entry, and investment from 1973--1990. I estimate a structural model to d…